Home / 7,520.52-11,281.80-3,136.92

Finding the Fourth Proportional to 7,520.52, 11,281.80 and 3,136.92

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Solution

The fourth proportional to 7,520.52, 11,281.80 and 3,136.92 is: 4,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.52 : 11,281.80 = 3,136.92 : x
  2. Step 2: Convert to fraction form
    7,520.52/11,281.80 = 3,136.92/x
  3. Step 3: Cross multiply
    7,520.52x = 11,281.80 × 3,136.92
  4. Step 4: Simplify right side
    7,520.52x = 35,390,104.06
  5. Step 5: Solve for x
    x = 35,390,104.06/7,520.52
  6. Step 6: Final answer
    x = 4,705.81

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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.