Home / 9,135.27-12,606.80-5,101.92

Finding the Fourth Proportional to 9,135.27, 12,606.80 and 5,101.92

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Solution

The fourth proportional to 9,135.27, 12,606.80 and 5,101.92 is: 7,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.27 : 12,606.80 = 5,101.92 : x
  2. Step 2: Convert to fraction form
    9,135.27/12,606.80 = 5,101.92/x
  3. Step 3: Cross multiply
    9,135.27x = 12,606.80 × 5,101.92
  4. Step 4: Simplify right side
    9,135.27x = 64,318,859.55
  5. Step 5: Solve for x
    x = 64,318,859.55/9,135.27
  6. Step 6: Final answer
    x = 7,040.72

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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.