Home / 10,256.28-15,385.29-2,860.75

Finding the Fourth Proportional to 10,256.28, 15,385.29 and 2,860.75

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Solution

The fourth proportional to 10,256.28, 15,385.29 and 2,860.75 is: 4,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.28 : 15,385.29 = 2,860.75 : x
  2. Step 2: Convert to fraction form
    10,256.28/15,385.29 = 2,860.75/x
  3. Step 3: Cross multiply
    10,256.28x = 15,385.29 × 2,860.75
  4. Step 4: Simplify right side
    10,256.28x = 44,013,468.37
  5. Step 5: Solve for x
    x = 44,013,468.37/10,256.28
  6. Step 6: Final answer
    x = 4,291.37

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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.