Home / 4,429.85-6,645.18-1,142.95

Finding the Fourth Proportional to 4,429.85, 6,645.18 and 1,142.95

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Solution

The fourth proportional to 4,429.85, 6,645.18 and 1,142.95 is: 1,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.85 : 6,645.18 = 1,142.95 : x
  2. Step 2: Convert to fraction form
    4,429.85/6,645.18 = 1,142.95/x
  3. Step 3: Cross multiply
    4,429.85x = 6,645.18 × 1,142.95
  4. Step 4: Simplify right side
    4,429.85x = 7,595,108.48
  5. Step 5: Solve for x
    x = 7,595,108.48/4,429.85
  6. Step 6: Final answer
    x = 1,714.53

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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.