Home / 9,819.20-13,549.56-5,841.20

Finding the Fourth Proportional to 9,819.20, 13,549.56 and 5,841.20

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Solution

The fourth proportional to 9,819.20, 13,549.56 and 5,841.20 is: 8,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.20 : 13,549.56 = 5,841.20 : x
  2. Step 2: Convert to fraction form
    9,819.20/13,549.56 = 5,841.20/x
  3. Step 3: Cross multiply
    9,819.20x = 13,549.56 × 5,841.20
  4. Step 4: Simplify right side
    9,819.20x = 79,145,689.87
  5. Step 5: Solve for x
    x = 79,145,689.87/9,819.20
  6. Step 6: Final answer
    x = 8,060.30

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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.