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Finding the Fourth Proportional to 7,739, 10,680.01 and 4,753.14

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Solution

The fourth proportional to 7,739, 10,680.01 and 4,753.14 is: 6,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739 : 10,680.01 = 4,753.14 : x
  2. Step 2: Convert to fraction form
    7,739/10,680.01 = 4,753.14/x
  3. Step 3: Cross multiply
    7,739x = 10,680.01 × 4,753.14
  4. Step 4: Simplify right side
    7,739x = 50,763,582.73
  5. Step 5: Solve for x
    x = 50,763,582.73/7,739
  6. Step 6: Final answer
    x = 6,559.45

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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.