Home / 4,390.88-6,582.35-1,616.90

Finding the Fourth Proportional to 4,390.88, 6,582.35 and 1,616.90

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Solution

The fourth proportional to 4,390.88, 6,582.35 and 1,616.90 is: 2,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.88 : 6,582.35 = 1,616.90 : x
  2. Step 2: Convert to fraction form
    4,390.88/6,582.35 = 1,616.90/x
  3. Step 3: Cross multiply
    4,390.88x = 6,582.35 × 1,616.90
  4. Step 4: Simplify right side
    4,390.88x = 10,642,972.85
  5. Step 5: Solve for x
    x = 10,642,972.85/4,390.88
  6. Step 6: Final answer
    x = 2,423.88

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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.