Home / 5,307.52-7,321.20-3,537.28

Finding the Fourth Proportional to 5,307.52, 7,321.20 and 3,537.28

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Solution

The fourth proportional to 5,307.52, 7,321.20 and 3,537.28 is: 4,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.52 : 7,321.20 = 3,537.28 : x
  2. Step 2: Convert to fraction form
    5,307.52/7,321.20 = 3,537.28/x
  3. Step 3: Cross multiply
    5,307.52x = 7,321.20 × 3,537.28
  4. Step 4: Simplify right side
    5,307.52x = 25,897,134.34
  5. Step 5: Solve for x
    x = 25,897,134.34/5,307.52
  6. Step 6: Final answer
    x = 4,879.33

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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.