Home / 10,578.79-15,868.05-3,182.95

Finding the Fourth Proportional to 10,578.79, 15,868.05 and 3,182.95

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Solution

The fourth proportional to 10,578.79, 15,868.05 and 3,182.95 is: 4,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.79 : 15,868.05 = 3,182.95 : x
  2. Step 2: Convert to fraction form
    10,578.79/15,868.05 = 3,182.95/x
  3. Step 3: Cross multiply
    10,578.79x = 15,868.05 × 3,182.95
  4. Step 4: Simplify right side
    10,578.79x = 50,507,209.75
  5. Step 5: Solve for x
    x = 50,507,209.75/10,578.79
  6. Step 6: Final answer
    x = 4,774.38

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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.