Home / 5,122.40-7,063.08-4,177.16

Finding the Fourth Proportional to 5,122.40, 7,063.08 and 4,177.16

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Solution

The fourth proportional to 5,122.40, 7,063.08 and 4,177.16 is: 5,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.40 : 7,063.08 = 4,177.16 : x
  2. Step 2: Convert to fraction form
    5,122.40/7,063.08 = 4,177.16/x
  3. Step 3: Cross multiply
    5,122.40x = 7,063.08 × 4,177.16
  4. Step 4: Simplify right side
    5,122.40x = 29,503,615.25
  5. Step 5: Solve for x
    x = 29,503,615.25/5,122.40
  6. Step 6: Final answer
    x = 5,759.72

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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.