Home / 4,262.90-6,397.25-1,489.55

Finding the Fourth Proportional to 4,262.90, 6,397.25 and 1,489.55

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Solution

The fourth proportional to 4,262.90, 6,397.25 and 1,489.55 is: 2,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.90 : 6,397.25 = 1,489.55 : x
  2. Step 2: Convert to fraction form
    4,262.90/6,397.25 = 1,489.55/x
  3. Step 3: Cross multiply
    4,262.90x = 6,397.25 × 1,489.55
  4. Step 4: Simplify right side
    4,262.90x = 9,528,984.30
  5. Step 5: Solve for x
    x = 9,528,984.30/4,262.90
  6. Step 6: Final answer
    x = 2,235.33

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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.