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Finding the Fourth Proportional to 7,302.70, 10,966.20 and 4,018.15

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Solution

The fourth proportional to 7,302.70, 10,966.20 and 4,018.15 is: 6,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.70 : 10,966.20 = 4,018.15 : x
  2. Step 2: Convert to fraction form
    7,302.70/10,966.20 = 4,018.15/x
  3. Step 3: Cross multiply
    7,302.70x = 10,966.20 × 4,018.15
  4. Step 4: Simplify right side
    7,302.70x = 44,063,836.53
  5. Step 5: Solve for x
    x = 44,063,836.53/7,302.70
  6. Step 6: Final answer
    x = 6,033.91

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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.