Home / 8,519.43-12,785.36-4,362.92

Finding the Fourth Proportional to 8,519.43, 12,785.36 and 4,362.92

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Solution

The fourth proportional to 8,519.43, 12,785.36 and 4,362.92 is: 6,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.43 : 12,785.36 = 4,362.92 : x
  2. Step 2: Convert to fraction form
    8,519.43/12,785.36 = 4,362.92/x
  3. Step 3: Cross multiply
    8,519.43x = 12,785.36 × 4,362.92
  4. Step 4: Simplify right side
    8,519.43x = 55,781,417.11
  5. Step 5: Solve for x
    x = 55,781,417.11/8,519.43
  6. Step 6: Final answer
    x = 6,547.55

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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.