Home / 9,264.68-12,785.27-5,015.78

Finding the Fourth Proportional to 9,264.68, 12,785.27 and 5,015.78

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Solution

The fourth proportional to 9,264.68, 12,785.27 and 5,015.78 is: 6,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.68 : 12,785.27 = 5,015.78 : x
  2. Step 2: Convert to fraction form
    9,264.68/12,785.27 = 5,015.78/x
  3. Step 3: Cross multiply
    9,264.68x = 12,785.27 × 5,015.78
  4. Step 4: Simplify right side
    9,264.68x = 64,128,138.78
  5. Step 5: Solve for x
    x = 64,128,138.78/9,264.68
  6. Step 6: Final answer
    x = 6,921.79

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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.