Home / 4,210.13-6,315.20-1,132.13

Finding the Fourth Proportional to 4,210.13, 6,315.20 and 1,132.13

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Solution

The fourth proportional to 4,210.13, 6,315.20 and 1,132.13 is: 1,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.13 : 6,315.20 = 1,132.13 : x
  2. Step 2: Convert to fraction form
    4,210.13/6,315.20 = 1,132.13/x
  3. Step 3: Cross multiply
    4,210.13x = 6,315.20 × 1,132.13
  4. Step 4: Simplify right side
    4,210.13x = 7,149,590.14
  5. Step 5: Solve for x
    x = 7,149,590.14/4,210.13
  6. Step 6: Final answer
    x = 1,698.19

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Half scale
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Double scale
Find fourth proportional to 4,211.13, 6,316.70 and 1,133.13
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.