Home / 8,824.68-12,178.08-4,845.78

Finding the Fourth Proportional to 8,824.68, 12,178.08 and 4,845.78

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Solution

The fourth proportional to 8,824.68, 12,178.08 and 4,845.78 is: 6,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.68 : 12,178.08 = 4,845.78 : x
  2. Step 2: Convert to fraction form
    8,824.68/12,178.08 = 4,845.78/x
  3. Step 3: Cross multiply
    8,824.68x = 12,178.08 × 4,845.78
  4. Step 4: Simplify right side
    8,824.68x = 59,012,296.50
  5. Step 5: Solve for x
    x = 59,012,296.50/8,824.68
  6. Step 6: Final answer
    x = 6,687.19

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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.