Home / 5,292.48-7,919.37-3,214.20

Finding the Fourth Proportional to 5,292.48, 7,919.37 and 3,214.20

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Solution

The fourth proportional to 5,292.48, 7,919.37 and 3,214.20 is: 4,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.48 : 7,919.37 = 3,214.20 : x
  2. Step 2: Convert to fraction form
    5,292.48/7,919.37 = 3,214.20/x
  3. Step 3: Cross multiply
    5,292.48x = 7,919.37 × 3,214.20
  4. Step 4: Simplify right side
    5,292.48x = 25,454,439.05
  5. Step 5: Solve for x
    x = 25,454,439.05/5,292.48
  6. Step 6: Final answer
    x = 4,809.55

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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.