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Finding the Fourth Proportional to 6,711.57, 10,018.25 and 6,223.68

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Solution

The fourth proportional to 6,711.57, 10,018.25 and 6,223.68 is: 9,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.57 : 10,018.25 = 6,223.68 : x
  2. Step 2: Convert to fraction form
    6,711.57/10,018.25 = 6,223.68/x
  3. Step 3: Cross multiply
    6,711.57x = 10,018.25 × 6,223.68
  4. Step 4: Simplify right side
    6,711.57x = 62,350,382.16
  5. Step 5: Solve for x
    x = 62,350,382.16/6,711.57
  6. Step 6: Final answer
    x = 9,289.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.