Home / 8,854.40-13,278.54-3,927.48

Finding the Fourth Proportional to 8,854.40, 13,278.54 and 3,927.48

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Solution

The fourth proportional to 8,854.40, 13,278.54 and 3,927.48 is: 5,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.40 : 13,278.54 = 3,927.48 : x
  2. Step 2: Convert to fraction form
    8,854.40/13,278.54 = 3,927.48/x
  3. Step 3: Cross multiply
    8,854.40x = 13,278.54 × 3,927.48
  4. Step 4: Simplify right side
    8,854.40x = 52,151,200.28
  5. Step 5: Solve for x
    x = 52,151,200.28/8,854.40
  6. Step 6: Final answer
    x = 5,889.86

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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.