Home / 7,865.60-10,854.56-4,508.49

Finding the Fourth Proportional to 7,865.60, 10,854.56 and 4,508.49

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Solution

The fourth proportional to 7,865.60, 10,854.56 and 4,508.49 is: 6,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.60 : 10,854.56 = 4,508.49 : x
  2. Step 2: Convert to fraction form
    7,865.60/10,854.56 = 4,508.49/x
  3. Step 3: Cross multiply
    7,865.60x = 10,854.56 × 4,508.49
  4. Step 4: Simplify right side
    7,865.60x = 48,937,675.21
  5. Step 5: Solve for x
    x = 48,937,675.21/7,865.60
  6. Step 6: Final answer
    x = 6,221.73

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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.