Home / 8,858.16-13,288.68-3,924.72

Finding the Fourth Proportional to 8,858.16, 13,288.68 and 3,924.72

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Solution

The fourth proportional to 8,858.16, 13,288.68 and 3,924.72 is: 5,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.16 : 13,288.68 = 3,924.72 : x
  2. Step 2: Convert to fraction form
    8,858.16/13,288.68 = 3,924.72/x
  3. Step 3: Cross multiply
    8,858.16x = 13,288.68 × 3,924.72
  4. Step 4: Simplify right side
    8,858.16x = 52,154,348.17
  5. Step 5: Solve for x
    x = 52,154,348.17/8,858.16
  6. Step 6: Final answer
    x = 5,887.72

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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.