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Finding the Fourth Proportional to 5,607, 8,404.80 and 2,321.88

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Solution

The fourth proportional to 5,607, 8,404.80 and 2,321.88 is: 3,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607 : 8,404.80 = 2,321.88 : x
  2. Step 2: Convert to fraction form
    5,607/8,404.80 = 2,321.88/x
  3. Step 3: Cross multiply
    5,607x = 8,404.80 × 2,321.88
  4. Step 4: Simplify right side
    5,607x = 19,514,937.02
  5. Step 5: Solve for x
    x = 19,514,937.02/5,607
  6. Step 6: Final answer
    x = 3,480.46

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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.