Home / 5,427.22-8,141.43-1,728.15

Finding the Fourth Proportional to 5,427.22, 8,141.43 and 1,728.15

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Solution

The fourth proportional to 5,427.22, 8,141.43 and 1,728.15 is: 2,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.22 : 8,141.43 = 1,728.15 : x
  2. Step 2: Convert to fraction form
    5,427.22/8,141.43 = 1,728.15/x
  3. Step 3: Cross multiply
    5,427.22x = 8,141.43 × 1,728.15
  4. Step 4: Simplify right side
    5,427.22x = 14,069,603.61
  5. Step 5: Solve for x
    x = 14,069,603.61/5,427.22
  6. Step 6: Final answer
    x = 2,592.41

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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.