Home / 5,360.20-8,040.30-2,439.34

Finding the Fourth Proportional to 5,360.20, 8,040.30 and 2,439.34

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Solution

The fourth proportional to 5,360.20, 8,040.30 and 2,439.34 is: 3,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.20 : 8,040.30 = 2,439.34 : x
  2. Step 2: Convert to fraction form
    5,360.20/8,040.30 = 2,439.34/x
  3. Step 3: Cross multiply
    5,360.20x = 8,040.30 × 2,439.34
  4. Step 4: Simplify right side
    5,360.20x = 19,613,025.40
  5. Step 5: Solve for x
    x = 19,613,025.40/5,360.20
  6. Step 6: Final answer
    x = 3,659.01

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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.