Home / 8,728.60-13,092.54-3,534.40

Finding the Fourth Proportional to 8,728.60, 13,092.54 and 3,534.40

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Solution

The fourth proportional to 8,728.60, 13,092.54 and 3,534.40 is: 5,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.60 : 13,092.54 = 3,534.40 : x
  2. Step 2: Convert to fraction form
    8,728.60/13,092.54 = 3,534.40/x
  3. Step 3: Cross multiply
    8,728.60x = 13,092.54 × 3,534.40
  4. Step 4: Simplify right side
    8,728.60x = 46,274,273.38
  5. Step 5: Solve for x
    x = 46,274,273.38/8,728.60
  6. Step 6: Final answer
    x = 5,301.45

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1.5x scale

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.