Home / 8,384.14-12,566.40-3,447.70

Finding the Fourth Proportional to 8,384.14, 12,566.40 and 3,447.70

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Solution

The fourth proportional to 8,384.14, 12,566.40 and 3,447.70 is: 5,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.14 : 12,566.40 = 3,447.70 : x
  2. Step 2: Convert to fraction form
    8,384.14/12,566.40 = 3,447.70/x
  3. Step 3: Cross multiply
    8,384.14x = 12,566.40 × 3,447.70
  4. Step 4: Simplify right side
    8,384.14x = 43,325,177.28
  5. Step 5: Solve for x
    x = 43,325,177.28/8,384.14
  6. Step 6: Final answer
    x = 5,167.52

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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.