Home / 9,264.80-12,785.34-5,015.86

Finding the Fourth Proportional to 9,264.80, 12,785.34 and 5,015.86

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Solution

The fourth proportional to 9,264.80, 12,785.34 and 5,015.86 is: 6,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.80 : 12,785.34 = 5,015.86 : x
  2. Step 2: Convert to fraction form
    9,264.80/12,785.34 = 5,015.86/x
  3. Step 3: Cross multiply
    9,264.80x = 12,785.34 × 5,015.86
  4. Step 4: Simplify right side
    9,264.80x = 64,129,475.49
  5. Step 5: Solve for x
    x = 64,129,475.49/9,264.80
  6. Step 6: Final answer
    x = 6,921.84

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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.