Home / 8,935.18-12,330.12-4,956.20

Finding the Fourth Proportional to 8,935.18, 12,330.12 and 4,956.20

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Solution

The fourth proportional to 8,935.18, 12,330.12 and 4,956.20 is: 6,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.18 : 12,330.12 = 4,956.20 : x
  2. Step 2: Convert to fraction form
    8,935.18/12,330.12 = 4,956.20/x
  3. Step 3: Cross multiply
    8,935.18x = 12,330.12 × 4,956.20
  4. Step 4: Simplify right side
    8,935.18x = 61,110,540.74
  5. Step 5: Solve for x
    x = 61,110,540.74/8,935.18
  6. Step 6: Final answer
    x = 6,839.32

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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.