Home / 6,638.55-9,958.19-1,708.23

Finding the Fourth Proportional to 6,638.55, 9,958.19 and 1,708.23

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Solution

The fourth proportional to 6,638.55, 9,958.19 and 1,708.23 is: 2,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.55 : 9,958.19 = 1,708.23 : x
  2. Step 2: Convert to fraction form
    6,638.55/9,958.19 = 1,708.23/x
  3. Step 3: Cross multiply
    6,638.55x = 9,958.19 × 1,708.23
  4. Step 4: Simplify right side
    6,638.55x = 17,010,878.90
  5. Step 5: Solve for x
    x = 17,010,878.90/6,638.55
  6. Step 6: Final answer
    x = 2,562.44

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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.