Home / 5,439.40-8,150.70-4,046.20

Finding the Fourth Proportional to 5,439.40, 8,150.70 and 4,046.20

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Solution

The fourth proportional to 5,439.40, 8,150.70 and 4,046.20 is: 6,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.40 : 8,150.70 = 4,046.20 : x
  2. Step 2: Convert to fraction form
    5,439.40/8,150.70 = 4,046.20/x
  3. Step 3: Cross multiply
    5,439.40x = 8,150.70 × 4,046.20
  4. Step 4: Simplify right side
    5,439.40x = 32,979,362.34
  5. Step 5: Solve for x
    x = 32,979,362.34/5,439.40
  6. Step 6: Final answer
    x = 6,063.05

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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.