Home / 7,501.43-11,248.90-3,115.89

Finding the Fourth Proportional to 7,501.43, 11,248.90 and 3,115.89

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Solution

The fourth proportional to 7,501.43, 11,248.90 and 3,115.89 is: 4,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.43 : 11,248.90 = 3,115.89 : x
  2. Step 2: Convert to fraction form
    7,501.43/11,248.90 = 3,115.89/x
  3. Step 3: Cross multiply
    7,501.43x = 11,248.90 × 3,115.89
  4. Step 4: Simplify right side
    7,501.43x = 35,050,263.20
  5. Step 5: Solve for x
    x = 35,050,263.20/7,501.43
  6. Step 6: Final answer
    x = 4,672.48

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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.