Home / 4,508.52-6,764.10-1,389

Finding the Fourth Proportional to 4,508.52, 6,764.10 and 1,389

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Solution

The fourth proportional to 4,508.52, 6,764.10 and 1,389 is: 2,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.52 : 6,764.10 = 1,389 : x
  2. Step 2: Convert to fraction form
    4,508.52/6,764.10 = 1,389/x
  3. Step 3: Cross multiply
    4,508.52x = 6,764.10 × 1,389
  4. Step 4: Simplify right side
    4,508.52x = 9,395,334.90
  5. Step 5: Solve for x
    x = 9,395,334.90/4,508.52
  6. Step 6: Final answer
    x = 2,083.91

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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.