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Finding the Fourth Proportional to 7,463.70, 10,300.14 and 4,440.42

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Solution

The fourth proportional to 7,463.70, 10,300.14 and 4,440.42 is: 6,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,463.70 : 10,300.14 = 4,440.42 : x
  2. Step 2: Convert to fraction form
    7,463.70/10,300.14 = 4,440.42/x
  3. Step 3: Cross multiply
    7,463.70x = 10,300.14 × 4,440.42
  4. Step 4: Simplify right side
    7,463.70x = 45,736,947.66
  5. Step 5: Solve for x
    x = 45,736,947.66/7,463.70
  6. Step 6: Final answer
    x = 6,127.92

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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.