Home / 8,872.74-12,240.45-6,219.18

Finding the Fourth Proportional to 8,872.74, 12,240.45 and 6,219.18

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Solution

The fourth proportional to 8,872.74, 12,240.45 and 6,219.18 is: 8,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.74 : 12,240.45 = 6,219.18 : x
  2. Step 2: Convert to fraction form
    8,872.74/12,240.45 = 6,219.18/x
  3. Step 3: Cross multiply
    8,872.74x = 12,240.45 × 6,219.18
  4. Step 4: Simplify right side
    8,872.74x = 76,125,561.83
  5. Step 5: Solve for x
    x = 76,125,561.83/8,872.74
  6. Step 6: Final answer
    x = 8,579.71

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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.