Home / 6,398.42-9,590.33-2,928.38

Finding the Fourth Proportional to 6,398.42, 9,590.33 and 2,928.38

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Solution

The fourth proportional to 6,398.42, 9,590.33 and 2,928.38 is: 4,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.42 : 9,590.33 = 2,928.38 : x
  2. Step 2: Convert to fraction form
    6,398.42/9,590.33 = 2,928.38/x
  3. Step 3: Cross multiply
    6,398.42x = 9,590.33 × 2,928.38
  4. Step 4: Simplify right side
    6,398.42x = 28,084,089.93
  5. Step 5: Solve for x
    x = 28,084,089.93/6,398.42
  6. Step 6: Final answer
    x = 4,389.23

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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.