Home / 5,449.32-8,167.88-2,159.92

Finding the Fourth Proportional to 5,449.32, 8,167.88 and 2,159.92

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Solution

The fourth proportional to 5,449.32, 8,167.88 and 2,159.92 is: 3,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.32 : 8,167.88 = 2,159.92 : x
  2. Step 2: Convert to fraction form
    5,449.32/8,167.88 = 2,159.92/x
  3. Step 3: Cross multiply
    5,449.32x = 8,167.88 × 2,159.92
  4. Step 4: Simplify right side
    5,449.32x = 17,641,967.37
  5. Step 5: Solve for x
    x = 17,641,967.37/5,449.32
  6. Step 6: Final answer
    x = 3,237.46

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1.5x scale

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.