Home / 9,079.28-12,529.85-5,101.64

Finding the Fourth Proportional to 9,079.28, 12,529.85 and 5,101.64

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Solution

The fourth proportional to 9,079.28, 12,529.85 and 5,101.64 is: 7,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.28 : 12,529.85 = 5,101.64 : x
  2. Step 2: Convert to fraction form
    9,079.28/12,529.85 = 5,101.64/x
  3. Step 3: Cross multiply
    9,079.28x = 12,529.85 × 5,101.64
  4. Step 4: Simplify right side
    9,079.28x = 63,922,695.80
  5. Step 5: Solve for x
    x = 63,922,695.80/9,079.28
  6. Step 6: Final answer
    x = 7,040.51

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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.