Home / 9,100.38-13,650.57-2,860.95

Finding the Fourth Proportional to 9,100.38, 13,650.57 and 2,860.95

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Solution

The fourth proportional to 9,100.38, 13,650.57 and 2,860.95 is: 4,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.38 : 13,650.57 = 2,860.95 : x
  2. Step 2: Convert to fraction form
    9,100.38/13,650.57 = 2,860.95/x
  3. Step 3: Cross multiply
    9,100.38x = 13,650.57 × 2,860.95
  4. Step 4: Simplify right side
    9,100.38x = 39,053,598.24
  5. Step 5: Solve for x
    x = 39,053,598.24/9,100.38
  6. Step 6: Final answer
    x = 4,291.43

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1.5x scale

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.