Home / 5,448.40-8,180.70-4,217.20

Finding the Fourth Proportional to 5,448.40, 8,180.70 and 4,217.20

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Solution

The fourth proportional to 5,448.40, 8,180.70 and 4,217.20 is: 6,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.40 : 8,180.70 = 4,217.20 : x
  2. Step 2: Convert to fraction form
    5,448.40/8,180.70 = 4,217.20/x
  3. Step 3: Cross multiply
    5,448.40x = 8,180.70 × 4,217.20
  4. Step 4: Simplify right side
    5,448.40x = 34,499,648.04
  5. Step 5: Solve for x
    x = 34,499,648.04/5,448.40
  6. Step 6: Final answer
    x = 6,332.07

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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.