Home / 6,397.89-9,596.16-1,718.39

Finding the Fourth Proportional to 6,397.89, 9,596.16 and 1,718.39

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Solution

The fourth proportional to 6,397.89, 9,596.16 and 1,718.39 is: 2,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.89 : 9,596.16 = 1,718.39 : x
  2. Step 2: Convert to fraction form
    6,397.89/9,596.16 = 1,718.39/x
  3. Step 3: Cross multiply
    6,397.89x = 9,596.16 × 1,718.39
  4. Step 4: Simplify right side
    6,397.89x = 16,489,945.38
  5. Step 5: Solve for x
    x = 16,489,945.38/6,397.89
  6. Step 6: Final answer
    x = 2,577.40

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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.