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Finding the Fourth Proportional to 4,926.24, 7,392.24 and 4,886.64

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Solution

The fourth proportional to 4,926.24, 7,392.24 and 4,886.64 is: 7,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.24 : 7,392.24 = 4,886.64 : x
  2. Step 2: Convert to fraction form
    4,926.24/7,392.24 = 4,886.64/x
  3. Step 3: Cross multiply
    4,926.24x = 7,392.24 × 4,886.64
  4. Step 4: Simplify right side
    4,926.24x = 36,123,215.67
  5. Step 5: Solve for x
    x = 36,123,215.67/4,926.24
  6. Step 6: Final answer
    x = 7,332.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.