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Finding the Fourth Proportional to 6,398.39, 9,596.91 and 1,718.89

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Solution

The fourth proportional to 6,398.39, 9,596.91 and 1,718.89 is: 2,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.39 : 9,596.91 = 1,718.89 : x
  2. Step 2: Convert to fraction form
    6,398.39/9,596.91 = 1,718.89/x
  3. Step 3: Cross multiply
    6,398.39x = 9,596.91 × 1,718.89
  4. Step 4: Simplify right side
    6,398.39x = 16,496,032.63
  5. Step 5: Solve for x
    x = 16,496,032.63/6,398.39
  6. Step 6: Final answer
    x = 2,578.15

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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.