Home / 8,860.28-13,293.72-3,926.40

Finding the Fourth Proportional to 8,860.28, 13,293.72 and 3,926.40

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Solution

The fourth proportional to 8,860.28, 13,293.72 and 3,926.40 is: 5,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.28 : 13,293.72 = 3,926.40 : x
  2. Step 2: Convert to fraction form
    8,860.28/13,293.72 = 3,926.40/x
  3. Step 3: Cross multiply
    8,860.28x = 13,293.72 × 3,926.40
  4. Step 4: Simplify right side
    8,860.28x = 52,196,462.21
  5. Step 5: Solve for x
    x = 52,196,462.21/8,860.28
  6. Step 6: Final answer
    x = 5,891.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.