Home / 8,935.20-12,330.58-4,956.36

Finding the Fourth Proportional to 8,935.20, 12,330.58 and 4,956.36

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Solution

The fourth proportional to 8,935.20, 12,330.58 and 4,956.36 is: 6,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.20 : 12,330.58 = 4,956.36 : x
  2. Step 2: Convert to fraction form
    8,935.20/12,330.58 = 4,956.36/x
  3. Step 3: Cross multiply
    8,935.20x = 12,330.58 × 4,956.36
  4. Step 4: Simplify right side
    8,935.20x = 61,114,793.49
  5. Step 5: Solve for x
    x = 61,114,793.49/8,935.20
  6. Step 6: Final answer
    x = 6,839.78

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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.