Home / 8,298.60-11,451.80-4,761.72

Finding the Fourth Proportional to 8,298.60, 11,451.80 and 4,761.72

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Solution

The fourth proportional to 8,298.60, 11,451.80 and 4,761.72 is: 6,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.60 : 11,451.80 = 4,761.72 : x
  2. Step 2: Convert to fraction form
    8,298.60/11,451.80 = 4,761.72/x
  3. Step 3: Cross multiply
    8,298.60x = 11,451.80 × 4,761.72
  4. Step 4: Simplify right side
    8,298.60x = 54,530,265.10
  5. Step 5: Solve for x
    x = 54,530,265.10/8,298.60
  6. Step 6: Final answer
    x = 6,571.02

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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.