Home / 9,020.54-12,447.60-5,243.78

Finding the Fourth Proportional to 9,020.54, 12,447.60 and 5,243.78

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Solution

The fourth proportional to 9,020.54, 12,447.60 and 5,243.78 is: 7,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.54 : 12,447.60 = 5,243.78 : x
  2. Step 2: Convert to fraction form
    9,020.54/12,447.60 = 5,243.78/x
  3. Step 3: Cross multiply
    9,020.54x = 12,447.60 × 5,243.78
  4. Step 4: Simplify right side
    9,020.54x = 65,272,475.93
  5. Step 5: Solve for x
    x = 65,272,475.93/9,020.54
  6. Step 6: Final answer
    x = 7,235.98

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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.