Home / 5,188.76-7,157.98-3,510.75

Finding the Fourth Proportional to 5,188.76, 7,157.98 and 3,510.75

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Solution

The fourth proportional to 5,188.76, 7,157.98 and 3,510.75 is: 4,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.76 : 7,157.98 = 3,510.75 : x
  2. Step 2: Convert to fraction form
    5,188.76/7,157.98 = 3,510.75/x
  3. Step 3: Cross multiply
    5,188.76x = 7,157.98 × 3,510.75
  4. Step 4: Simplify right side
    5,188.76x = 25,129,833.72
  5. Step 5: Solve for x
    x = 25,129,833.72/5,188.76
  6. Step 6: Final answer
    x = 4,843.13

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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.