Home / 5,427.16-8,141.02-1,531.87

Finding the Fourth Proportional to 5,427.16, 8,141.02 and 1,531.87

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Solution

The fourth proportional to 5,427.16, 8,141.02 and 1,531.87 is: 2,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.16 : 8,141.02 = 1,531.87 : x
  2. Step 2: Convert to fraction form
    5,427.16/8,141.02 = 1,531.87/x
  3. Step 3: Cross multiply
    5,427.16x = 8,141.02 × 1,531.87
  4. Step 4: Simplify right side
    5,427.16x = 12,470,984.31
  5. Step 5: Solve for x
    x = 12,470,984.31/5,427.16
  6. Step 6: Final answer
    x = 2,297.88

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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.