Home / 4,432.80-6,119.28-3,157.50

Finding the Fourth Proportional to 4,432.80, 6,119.28 and 3,157.50

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Solution

The fourth proportional to 4,432.80, 6,119.28 and 3,157.50 is: 4,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.80 : 6,119.28 = 3,157.50 : x
  2. Step 2: Convert to fraction form
    4,432.80/6,119.28 = 3,157.50/x
  3. Step 3: Cross multiply
    4,432.80x = 6,119.28 × 3,157.50
  4. Step 4: Simplify right side
    4,432.80x = 19,321,626.60
  5. Step 5: Solve for x
    x = 19,321,626.60/4,432.80
  6. Step 6: Final answer
    x = 4,358.79

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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.