Home / 6,731.19-9,289.17-3,747.15

Finding the Fourth Proportional to 6,731.19, 9,289.17 and 3,747.15

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Solution

The fourth proportional to 6,731.19, 9,289.17 and 3,747.15 is: 5,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.19 : 9,289.17 = 3,747.15 : x
  2. Step 2: Convert to fraction form
    6,731.19/9,289.17 = 3,747.15/x
  3. Step 3: Cross multiply
    6,731.19x = 9,289.17 × 3,747.15
  4. Step 4: Simplify right side
    6,731.19x = 34,807,913.37
  5. Step 5: Solve for x
    x = 34,807,913.37/6,731.19
  6. Step 6: Final answer
    x = 5,171.14

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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.