Home / 4,289.31-5,915.29-3,294.63

Finding the Fourth Proportional to 4,289.31, 5,915.29 and 3,294.63

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Solution

The fourth proportional to 4,289.31, 5,915.29 and 3,294.63 is: 4,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.31 : 5,915.29 = 3,294.63 : x
  2. Step 2: Convert to fraction form
    4,289.31/5,915.29 = 3,294.63/x
  3. Step 3: Cross multiply
    4,289.31x = 5,915.29 × 3,294.63
  4. Step 4: Simplify right side
    4,289.31x = 19,488,691.89
  5. Step 5: Solve for x
    x = 19,488,691.89/4,289.31
  6. Step 6: Final answer
    x = 4,543.55

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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.