Home / 4,407.12-6,605.87-1,631.45

Finding the Fourth Proportional to 4,407.12, 6,605.87 and 1,631.45

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Solution

The fourth proportional to 4,407.12, 6,605.87 and 1,631.45 is: 2,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.12 : 6,605.87 = 1,631.45 : x
  2. Step 2: Convert to fraction form
    4,407.12/6,605.87 = 1,631.45/x
  3. Step 3: Cross multiply
    4,407.12x = 6,605.87 × 1,631.45
  4. Step 4: Simplify right side
    4,407.12x = 10,777,167.20
  5. Step 5: Solve for x
    x = 10,777,167.20/4,407.12
  6. Step 6: Final answer
    x = 2,445.40

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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.