Home / 5,549.19-7,657.58-3,191.37

Finding the Fourth Proportional to 5,549.19, 7,657.58 and 3,191.37

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Solution

The fourth proportional to 5,549.19, 7,657.58 and 3,191.37 is: 4,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.19 : 7,657.58 = 3,191.37 : x
  2. Step 2: Convert to fraction form
    5,549.19/7,657.58 = 3,191.37/x
  3. Step 3: Cross multiply
    5,549.19x = 7,657.58 × 3,191.37
  4. Step 4: Simplify right side
    5,549.19x = 24,438,155.13
  5. Step 5: Solve for x
    x = 24,438,155.13/5,549.19
  6. Step 6: Final answer
    x = 4,403.91

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Half scale
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Double scale
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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.