Home / 6,398.78-9,597.47-2,013.84

Finding the Fourth Proportional to 6,398.78, 9,597.47 and 2,013.84

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Solution

The fourth proportional to 6,398.78, 9,597.47 and 2,013.84 is: 3,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.78 : 9,597.47 = 2,013.84 : x
  2. Step 2: Convert to fraction form
    6,398.78/9,597.47 = 2,013.84/x
  3. Step 3: Cross multiply
    6,398.78x = 9,597.47 × 2,013.84
  4. Step 4: Simplify right side
    6,398.78x = 19,327,758.92
  5. Step 5: Solve for x
    x = 19,327,758.92/6,398.78
  6. Step 6: Final answer
    x = 3,020.54

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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.