Home / 8,854.90-12,219.84-4,876.15

Finding the Fourth Proportional to 8,854.90, 12,219.84 and 4,876.15

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Solution

The fourth proportional to 8,854.90, 12,219.84 and 4,876.15 is: 6,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.90 : 12,219.84 = 4,876.15 : x
  2. Step 2: Convert to fraction form
    8,854.90/12,219.84 = 4,876.15/x
  3. Step 3: Cross multiply
    8,854.90x = 12,219.84 × 4,876.15
  4. Step 4: Simplify right side
    8,854.90x = 59,585,772.82
  5. Step 5: Solve for x
    x = 59,585,772.82/8,854.90
  6. Step 6: Final answer
    x = 6,729.13

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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.