Home / 8,935.32-12,330.55-4,956.35

Finding the Fourth Proportional to 8,935.32, 12,330.55 and 4,956.35

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Solution

The fourth proportional to 8,935.32, 12,330.55 and 4,956.35 is: 6,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.32 : 12,330.55 = 4,956.35 : x
  2. Step 2: Convert to fraction form
    8,935.32/12,330.55 = 4,956.35/x
  3. Step 3: Cross multiply
    8,935.32x = 12,330.55 × 4,956.35
  4. Step 4: Simplify right side
    8,935.32x = 61,114,521.49
  5. Step 5: Solve for x
    x = 61,114,521.49/8,935.32
  6. Step 6: Final answer
    x = 6,839.66

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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.