Home / 5,002.08-6,901.92-3,138.24

Finding the Fourth Proportional to 5,002.08, 6,901.92 and 3,138.24

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Solution

The fourth proportional to 5,002.08, 6,901.92 and 3,138.24 is: 4,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.08 : 6,901.92 = 3,138.24 : x
  2. Step 2: Convert to fraction form
    5,002.08/6,901.92 = 3,138.24/x
  3. Step 3: Cross multiply
    5,002.08x = 6,901.92 × 3,138.24
  4. Step 4: Simplify right side
    5,002.08x = 21,659,881.42
  5. Step 5: Solve for x
    x = 21,659,881.42/5,002.08
  6. Step 6: Final answer
    x = 4,330.17

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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.