Home / 8,860.56-12,229.35-5,086.28

Finding the Fourth Proportional to 8,860.56, 12,229.35 and 5,086.28

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Solution

The fourth proportional to 8,860.56, 12,229.35 and 5,086.28 is: 7,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.56 : 12,229.35 = 5,086.28 : x
  2. Step 2: Convert to fraction form
    8,860.56/12,229.35 = 5,086.28/x
  3. Step 3: Cross multiply
    8,860.56x = 12,229.35 × 5,086.28
  4. Step 4: Simplify right side
    8,860.56x = 62,201,863.96
  5. Step 5: Solve for x
    x = 62,201,863.96/8,860.56
  6. Step 6: Final answer
    x = 7,020.08

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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.