Home / 4,869.45-7,290-3,642.30

Finding the Fourth Proportional to 4,869.45, 7,290 and 3,642.30

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Solution

The fourth proportional to 4,869.45, 7,290 and 3,642.30 is: 5,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.45 : 7,290 = 3,642.30 : x
  2. Step 2: Convert to fraction form
    4,869.45/7,290 = 3,642.30/x
  3. Step 3: Cross multiply
    4,869.45x = 7,290 × 3,642.30
  4. Step 4: Simplify right side
    4,869.45x = 26,552,367
  5. Step 5: Solve for x
    x = 26,552,367/4,869.45
  6. Step 6: Final answer
    x = 5,452.85

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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.