Home / 5,332.60-7,998.88-4,102.20

Finding the Fourth Proportional to 5,332.60, 7,998.88 and 4,102.20

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Solution

The fourth proportional to 5,332.60, 7,998.88 and 4,102.20 is: 6,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.60 : 7,998.88 = 4,102.20 : x
  2. Step 2: Convert to fraction form
    5,332.60/7,998.88 = 4,102.20/x
  3. Step 3: Cross multiply
    5,332.60x = 7,998.88 × 4,102.20
  4. Step 4: Simplify right side
    5,332.60x = 32,813,005.54
  5. Step 5: Solve for x
    x = 32,813,005.54/5,332.60
  6. Step 6: Final answer
    x = 6,153.28

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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.