Home / 5,289.20-7,306.20-4,915.59

Finding the Fourth Proportional to 5,289.20, 7,306.20 and 4,915.59

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Solution

The fourth proportional to 5,289.20, 7,306.20 and 4,915.59 is: 6,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.20 : 7,306.20 = 4,915.59 : x
  2. Step 2: Convert to fraction form
    5,289.20/7,306.20 = 4,915.59/x
  3. Step 3: Cross multiply
    5,289.20x = 7,306.20 × 4,915.59
  4. Step 4: Simplify right side
    5,289.20x = 35,914,256.26
  5. Step 5: Solve for x
    x = 35,914,256.26/5,289.20
  6. Step 6: Final answer
    x = 6,790.11

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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.