Home / 9,107.92-13,657.56-4,720.96

Finding the Fourth Proportional to 9,107.92, 13,657.56 and 4,720.96

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Solution

The fourth proportional to 9,107.92, 13,657.56 and 4,720.96 is: 7,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.92 : 13,657.56 = 4,720.96 : x
  2. Step 2: Convert to fraction form
    9,107.92/13,657.56 = 4,720.96/x
  3. Step 3: Cross multiply
    9,107.92x = 13,657.56 × 4,720.96
  4. Step 4: Simplify right side
    9,107.92x = 64,476,794.46
  5. Step 5: Solve for x
    x = 64,476,794.46/9,107.92
  6. Step 6: Final answer
    x = 7,079.20

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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.