Home / 8,748.20-13,113.90-2,901.80

Finding the Fourth Proportional to 8,748.20, 13,113.90 and 2,901.80

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Solution

The fourth proportional to 8,748.20, 13,113.90 and 2,901.80 is: 4,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.20 : 13,113.90 = 2,901.80 : x
  2. Step 2: Convert to fraction form
    8,748.20/13,113.90 = 2,901.80/x
  3. Step 3: Cross multiply
    8,748.20x = 13,113.90 × 2,901.80
  4. Step 4: Simplify right side
    8,748.20x = 38,053,915.02
  5. Step 5: Solve for x
    x = 38,053,915.02/8,748.20
  6. Step 6: Final answer
    x = 4,349.91

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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.