Home / 7,538.66-11,306.95-5,280.35

Finding the Fourth Proportional to 7,538.66, 11,306.95 and 5,280.35

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Solution

The fourth proportional to 7,538.66, 11,306.95 and 5,280.35 is: 7,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.66 : 11,306.95 = 5,280.35 : x
  2. Step 2: Convert to fraction form
    7,538.66/11,306.95 = 5,280.35/x
  3. Step 3: Cross multiply
    7,538.66x = 11,306.95 × 5,280.35
  4. Step 4: Simplify right side
    7,538.66x = 59,704,668.50
  5. Step 5: Solve for x
    x = 59,704,668.50/7,538.66
  6. Step 6: Final answer
    x = 7,919.80

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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.