Home / 7,520.60-11,280.76-2,590.13

Finding the Fourth Proportional to 7,520.60, 11,280.76 and 2,590.13

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Solution

The fourth proportional to 7,520.60, 11,280.76 and 2,590.13 is: 3,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.60 : 11,280.76 = 2,590.13 : x
  2. Step 2: Convert to fraction form
    7,520.60/11,280.76 = 2,590.13/x
  3. Step 3: Cross multiply
    7,520.60x = 11,280.76 × 2,590.13
  4. Step 4: Simplify right side
    7,520.60x = 29,218,656.63
  5. Step 5: Solve for x
    x = 29,218,656.63/7,520.60
  6. Step 6: Final answer
    x = 3,885.15

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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.