Home / 8,924.64-13,379.68-5,217.76

Finding the Fourth Proportional to 8,924.64, 13,379.68 and 5,217.76

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Solution

The fourth proportional to 8,924.64, 13,379.68 and 5,217.76 is: 7,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.64 : 13,379.68 = 5,217.76 : x
  2. Step 2: Convert to fraction form
    8,924.64/13,379.68 = 5,217.76/x
  3. Step 3: Cross multiply
    8,924.64x = 13,379.68 × 5,217.76
  4. Step 4: Simplify right side
    8,924.64x = 69,811,959.12
  5. Step 5: Solve for x
    x = 69,811,959.12/8,924.64
  6. Step 6: Final answer
    x = 7,822.38

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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.