Home / 5,348.40-8,032.20-3,889.20

Finding the Fourth Proportional to 5,348.40, 8,032.20 and 3,889.20

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Solution

The fourth proportional to 5,348.40, 8,032.20 and 3,889.20 is: 5,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.40 : 8,032.20 = 3,889.20 : x
  2. Step 2: Convert to fraction form
    5,348.40/8,032.20 = 3,889.20/x
  3. Step 3: Cross multiply
    5,348.40x = 8,032.20 × 3,889.20
  4. Step 4: Simplify right side
    5,348.40x = 31,238,832.24
  5. Step 5: Solve for x
    x = 31,238,832.24/5,348.40
  6. Step 6: Final answer
    x = 5,840.78

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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.