Home / 6,609.90-9,915.48-2,228.70

Finding the Fourth Proportional to 6,609.90, 9,915.48 and 2,228.70

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Solution

The fourth proportional to 6,609.90, 9,915.48 and 2,228.70 is: 3,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.90 : 9,915.48 = 2,228.70 : x
  2. Step 2: Convert to fraction form
    6,609.90/9,915.48 = 2,228.70/x
  3. Step 3: Cross multiply
    6,609.90x = 9,915.48 × 2,228.70
  4. Step 4: Simplify right side
    6,609.90x = 22,098,630.28
  5. Step 5: Solve for x
    x = 22,098,630.28/6,609.90
  6. Step 6: Final answer
    x = 3,343.26

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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.