Home / 7,520.13-11,281.24-3,136.58

Finding the Fourth Proportional to 7,520.13, 11,281.24 and 3,136.58

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Solution

The fourth proportional to 7,520.13, 11,281.24 and 3,136.58 is: 4,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.13 : 11,281.24 = 3,136.58 : x
  2. Step 2: Convert to fraction form
    7,520.13/11,281.24 = 3,136.58/x
  3. Step 3: Cross multiply
    7,520.13x = 11,281.24 × 3,136.58
  4. Step 4: Simplify right side
    7,520.13x = 35,384,501.58
  5. Step 5: Solve for x
    x = 35,384,501.58/7,520.13
  6. Step 6: Final answer
    x = 4,705.30

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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.