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Finding the Fourth Proportional to 6,627.53, 9,136.41 and 4,385.65

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Solution

The fourth proportional to 6,627.53, 9,136.41 and 4,385.65 is: 6,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.53 : 9,136.41 = 4,385.65 : x
  2. Step 2: Convert to fraction form
    6,627.53/9,136.41 = 4,385.65/x
  3. Step 3: Cross multiply
    6,627.53x = 9,136.41 × 4,385.65
  4. Step 4: Simplify right side
    6,627.53x = 40,069,096.52
  5. Step 5: Solve for x
    x = 40,069,096.52/6,627.53
  6. Step 6: Final answer
    x = 6,045.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.