Home / 6,387.13-9,581.60-2,687.05

Finding the Fourth Proportional to 6,387.13, 9,581.60 and 2,687.05

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Solution

The fourth proportional to 6,387.13, 9,581.60 and 2,687.05 is: 4,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.13 : 9,581.60 = 2,687.05 : x
  2. Step 2: Convert to fraction form
    6,387.13/9,581.60 = 2,687.05/x
  3. Step 3: Cross multiply
    6,387.13x = 9,581.60 × 2,687.05
  4. Step 4: Simplify right side
    6,387.13x = 25,746,238.28
  5. Step 5: Solve for x
    x = 25,746,238.28/6,387.13
  6. Step 6: Final answer
    x = 4,030.96

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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.