Home / 7,854.08-11,781.12-3,237.44

Finding the Fourth Proportional to 7,854.08, 11,781.12 and 3,237.44

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Solution

The fourth proportional to 7,854.08, 11,781.12 and 3,237.44 is: 4,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.08 : 11,781.12 = 3,237.44 : x
  2. Step 2: Convert to fraction form
    7,854.08/11,781.12 = 3,237.44/x
  3. Step 3: Cross multiply
    7,854.08x = 11,781.12 × 3,237.44
  4. Step 4: Simplify right side
    7,854.08x = 38,140,669.13
  5. Step 5: Solve for x
    x = 38,140,669.13/7,854.08
  6. Step 6: Final answer
    x = 4,856.16

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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.