Home / 4,210.88-6,316.04-1,288.92

Finding the Fourth Proportional to 4,210.88, 6,316.04 and 1,288.92

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Solution

The fourth proportional to 4,210.88, 6,316.04 and 1,288.92 is: 1,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.88 : 6,316.04 = 1,288.92 : x
  2. Step 2: Convert to fraction form
    4,210.88/6,316.04 = 1,288.92/x
  3. Step 3: Cross multiply
    4,210.88x = 6,316.04 × 1,288.92
  4. Step 4: Simplify right side
    4,210.88x = 8,140,870.28
  5. Step 5: Solve for x
    x = 8,140,870.28/4,210.88
  6. Step 6: Final answer
    x = 1,933.29

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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.