Home / 6,408.18-9,612.45-2,025.90

Finding the Fourth Proportional to 6,408.18, 9,612.45 and 2,025.90

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Solution

The fourth proportional to 6,408.18, 9,612.45 and 2,025.90 is: 3,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.18 : 9,612.45 = 2,025.90 : x
  2. Step 2: Convert to fraction form
    6,408.18/9,612.45 = 2,025.90/x
  3. Step 3: Cross multiply
    6,408.18x = 9,612.45 × 2,025.90
  4. Step 4: Simplify right side
    6,408.18x = 19,473,862.46
  5. Step 5: Solve for x
    x = 19,473,862.46/6,408.18
  6. Step 6: Final answer
    x = 3,038.91

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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.