Home / 5,023.20-6,927.60-3,902.40

Finding the Fourth Proportional to 5,023.20, 6,927.60 and 3,902.40

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Solution

The fourth proportional to 5,023.20, 6,927.60 and 3,902.40 is: 5,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.20 : 6,927.60 = 3,902.40 : x
  2. Step 2: Convert to fraction form
    5,023.20/6,927.60 = 3,902.40/x
  3. Step 3: Cross multiply
    5,023.20x = 6,927.60 × 3,902.40
  4. Step 4: Simplify right side
    5,023.20x = 27,034,266.24
  5. Step 5: Solve for x
    x = 27,034,266.24/5,023.20
  6. Step 6: Final answer
    x = 5,381.88

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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.