Home / 4,421.20-6,633.18-1,648.10

Finding the Fourth Proportional to 4,421.20, 6,633.18 and 1,648.10

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Solution

The fourth proportional to 4,421.20, 6,633.18 and 1,648.10 is: 2,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.20 : 6,633.18 = 1,648.10 : x
  2. Step 2: Convert to fraction form
    4,421.20/6,633.18 = 1,648.10/x
  3. Step 3: Cross multiply
    4,421.20x = 6,633.18 × 1,648.10
  4. Step 4: Simplify right side
    4,421.20x = 10,932,110.79
  5. Step 5: Solve for x
    x = 10,932,110.79/4,421.20
  6. Step 6: Final answer
    x = 2,472.66

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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.