Home / 8,397.64-12,579.12-4,926.52

Finding the Fourth Proportional to 8,397.64, 12,579.12 and 4,926.52

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Solution

The fourth proportional to 8,397.64, 12,579.12 and 4,926.52 is: 7,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.64 : 12,579.12 = 4,926.52 : x
  2. Step 2: Convert to fraction form
    8,397.64/12,579.12 = 4,926.52/x
  3. Step 3: Cross multiply
    8,397.64x = 12,579.12 × 4,926.52
  4. Step 4: Simplify right side
    8,397.64x = 61,971,286.26
  5. Step 5: Solve for x
    x = 61,971,286.26/8,397.64
  6. Step 6: Final answer
    x = 7,379.61

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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.