Home / 4,647.30-6,414.52-2,877.90

Finding the Fourth Proportional to 4,647.30, 6,414.52 and 2,877.90

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Solution

The fourth proportional to 4,647.30, 6,414.52 and 2,877.90 is: 3,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.30 : 6,414.52 = 2,877.90 : x
  2. Step 2: Convert to fraction form
    4,647.30/6,414.52 = 2,877.90/x
  3. Step 3: Cross multiply
    4,647.30x = 6,414.52 × 2,877.90
  4. Step 4: Simplify right side
    4,647.30x = 18,460,347.11
  5. Step 5: Solve for x
    x = 18,460,347.11/4,647.30
  6. Step 6: Final answer
    x = 3,972.27

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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.