Home / 5,570-8,348.52-2,279.11

Finding the Fourth Proportional to 5,570, 8,348.52 and 2,279.11

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Solution

The fourth proportional to 5,570, 8,348.52 and 2,279.11 is: 3,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570 : 8,348.52 = 2,279.11 : x
  2. Step 2: Convert to fraction form
    5,570/8,348.52 = 2,279.11/x
  3. Step 3: Cross multiply
    5,570x = 8,348.52 × 2,279.11
  4. Step 4: Simplify right side
    5,570x = 19,027,195.42
  5. Step 5: Solve for x
    x = 19,027,195.42/5,570
  6. Step 6: Final answer
    x = 3,416.01

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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.