Home / 5,646.25-8,470.32-1,749.88

Finding the Fourth Proportional to 5,646.25, 8,470.32 and 1,749.88

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Solution

The fourth proportional to 5,646.25, 8,470.32 and 1,749.88 is: 2,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.25 : 8,470.32 = 1,749.88 : x
  2. Step 2: Convert to fraction form
    5,646.25/8,470.32 = 1,749.88/x
  3. Step 3: Cross multiply
    5,646.25x = 8,470.32 × 1,749.88
  4. Step 4: Simplify right side
    5,646.25x = 14,822,043.56
  5. Step 5: Solve for x
    x = 14,822,043.56/5,646.25
  6. Step 6: Final answer
    x = 2,625.11

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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.