Home / 4,210.98-6,316.24-1,289.04

Finding the Fourth Proportional to 4,210.98, 6,316.24 and 1,289.04

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Solution

The fourth proportional to 4,210.98, 6,316.24 and 1,289.04 is: 1,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.98 : 6,316.24 = 1,289.04 : x
  2. Step 2: Convert to fraction form
    4,210.98/6,316.24 = 1,289.04/x
  3. Step 3: Cross multiply
    4,210.98x = 6,316.24 × 1,289.04
  4. Step 4: Simplify right side
    4,210.98x = 8,141,886.01
  5. Step 5: Solve for x
    x = 8,141,886.01/4,210.98
  6. Step 6: Final answer
    x = 1,933.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,211.98, 6,317.74 and 1,290.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.