Home / 4,421.38-6,630.57-1,788.19

Finding the Fourth Proportional to 4,421.38, 6,630.57 and 1,788.19

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Solution

The fourth proportional to 4,421.38, 6,630.57 and 1,788.19 is: 2,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.38 : 6,630.57 = 1,788.19 : x
  2. Step 2: Convert to fraction form
    4,421.38/6,630.57 = 1,788.19/x
  3. Step 3: Cross multiply
    4,421.38x = 6,630.57 × 1,788.19
  4. Step 4: Simplify right side
    4,421.38x = 11,856,718.97
  5. Step 5: Solve for x
    x = 11,856,718.97/4,421.38
  6. Step 6: Final answer
    x = 2,681.68

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1.5x scale

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.