Home / 8,247.90-11,382.90-4,711.62

Finding the Fourth Proportional to 8,247.90, 11,382.90 and 4,711.62

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Solution

The fourth proportional to 8,247.90, 11,382.90 and 4,711.62 is: 6,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.90 : 11,382.90 = 4,711.62 : x
  2. Step 2: Convert to fraction form
    8,247.90/11,382.90 = 4,711.62/x
  3. Step 3: Cross multiply
    8,247.90x = 11,382.90 × 4,711.62
  4. Step 4: Simplify right side
    8,247.90x = 53,631,899.30
  5. Step 5: Solve for x
    x = 53,631,899.30/8,247.90
  6. Step 6: Final answer
    x = 6,502.49

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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.