Home / 8,852.40-13,278.60-3,920.76

Finding the Fourth Proportional to 8,852.40, 13,278.60 and 3,920.76

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Solution

The fourth proportional to 8,852.40, 13,278.60 and 3,920.76 is: 5,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.40 : 13,278.60 = 3,920.76 : x
  2. Step 2: Convert to fraction form
    8,852.40/13,278.60 = 3,920.76/x
  3. Step 3: Cross multiply
    8,852.40x = 13,278.60 × 3,920.76
  4. Step 4: Simplify right side
    8,852.40x = 52,062,203.74
  5. Step 5: Solve for x
    x = 52,062,203.74/8,852.40
  6. Step 6: Final answer
    x = 5,881.14

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Similar ratio
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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.