Home / 5,440.44-8,159.68-2,478.20

Finding the Fourth Proportional to 5,440.44, 8,159.68 and 2,478.20

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Solution

The fourth proportional to 5,440.44, 8,159.68 and 2,478.20 is: 3,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.44 : 8,159.68 = 2,478.20 : x
  2. Step 2: Convert to fraction form
    5,440.44/8,159.68 = 2,478.20/x
  3. Step 3: Cross multiply
    5,440.44x = 8,159.68 × 2,478.20
  4. Step 4: Simplify right side
    5,440.44x = 20,221,271.98
  5. Step 5: Solve for x
    x = 20,221,271.98/5,440.44
  6. Step 6: Final answer
    x = 3,716.84

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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.