Home / 4,785.43-6,603.55-2,689.87

Finding the Fourth Proportional to 4,785.43, 6,603.55 and 2,689.87

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Solution

The fourth proportional to 4,785.43, 6,603.55 and 2,689.87 is: 3,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.43 : 6,603.55 = 2,689.87 : x
  2. Step 2: Convert to fraction form
    4,785.43/6,603.55 = 2,689.87/x
  3. Step 3: Cross multiply
    4,785.43x = 6,603.55 × 2,689.87
  4. Step 4: Simplify right side
    4,785.43x = 17,762,691.04
  5. Step 5: Solve for x
    x = 17,762,691.04/4,785.43
  6. Step 6: Final answer
    x = 3,711.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.