Home / 4,380.40-6,041.76-3,102.24

Finding the Fourth Proportional to 4,380.40, 6,041.76 and 3,102.24

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Solution

The fourth proportional to 4,380.40, 6,041.76 and 3,102.24 is: 4,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.40 : 6,041.76 = 3,102.24 : x
  2. Step 2: Convert to fraction form
    4,380.40/6,041.76 = 3,102.24/x
  3. Step 3: Cross multiply
    4,380.40x = 6,041.76 × 3,102.24
  4. Step 4: Simplify right side
    4,380.40x = 18,742,989.54
  5. Step 5: Solve for x
    x = 18,742,989.54/4,380.40
  6. Step 6: Final answer
    x = 4,278.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.