Home / 8,200.74-12,307.24-5,426.39

Finding the Fourth Proportional to 8,200.74, 12,307.24 and 5,426.39

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Solution

The fourth proportional to 8,200.74, 12,307.24 and 5,426.39 is: 8,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.74 : 12,307.24 = 5,426.39 : x
  2. Step 2: Convert to fraction form
    8,200.74/12,307.24 = 5,426.39/x
  3. Step 3: Cross multiply
    8,200.74x = 12,307.24 × 5,426.39
  4. Step 4: Simplify right side
    8,200.74x = 66,783,921.61
  5. Step 5: Solve for x
    x = 66,783,921.61/8,200.74
  6. Step 6: Final answer
    x = 8,143.64

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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.