Home / 5,915.04-8,876.88-2,220.90

Finding the Fourth Proportional to 5,915.04, 8,876.88 and 2,220.90

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Solution

The fourth proportional to 5,915.04, 8,876.88 and 2,220.90 is: 3,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.04 : 8,876.88 = 2,220.90 : x
  2. Step 2: Convert to fraction form
    5,915.04/8,876.88 = 2,220.90/x
  3. Step 3: Cross multiply
    5,915.04x = 8,876.88 × 2,220.90
  4. Step 4: Simplify right side
    5,915.04x = 19,714,662.79
  5. Step 5: Solve for x
    x = 19,714,662.79/5,915.04
  6. Step 6: Final answer
    x = 3,332.97

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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.