Home / 5,427.15-8,141.34-1,728.49

Finding the Fourth Proportional to 5,427.15, 8,141.34 and 1,728.49

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Solution

The fourth proportional to 5,427.15, 8,141.34 and 1,728.49 is: 2,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.15 : 8,141.34 = 1,728.49 : x
  2. Step 2: Convert to fraction form
    5,427.15/8,141.34 = 1,728.49/x
  3. Step 3: Cross multiply
    5,427.15x = 8,141.34 × 1,728.49
  4. Step 4: Simplify right side
    5,427.15x = 14,072,216.13
  5. Step 5: Solve for x
    x = 14,072,216.13/5,427.15
  6. Step 6: Final answer
    x = 2,592.93

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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.