Home / 6,079.25-8,389.35-3,390.41

Finding the Fourth Proportional to 6,079.25, 8,389.35 and 3,390.41

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Solution

The fourth proportional to 6,079.25, 8,389.35 and 3,390.41 is: 4,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.25 : 8,389.35 = 3,390.41 : x
  2. Step 2: Convert to fraction form
    6,079.25/8,389.35 = 3,390.41/x
  3. Step 3: Cross multiply
    6,079.25x = 8,389.35 × 3,390.41
  4. Step 4: Simplify right side
    6,079.25x = 28,443,294.19
  5. Step 5: Solve for x
    x = 28,443,294.19/6,079.25
  6. Step 6: Final answer
    x = 4,678.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.