Home / 5,327.14-7,990.53-1,431.34

Finding the Fourth Proportional to 5,327.14, 7,990.53 and 1,431.34

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Solution

The fourth proportional to 5,327.14, 7,990.53 and 1,431.34 is: 2,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.14 : 7,990.53 = 1,431.34 : x
  2. Step 2: Convert to fraction form
    5,327.14/7,990.53 = 1,431.34/x
  3. Step 3: Cross multiply
    5,327.14x = 7,990.53 × 1,431.34
  4. Step 4: Simplify right side
    5,327.14x = 11,437,165.21
  5. Step 5: Solve for x
    x = 11,437,165.21/5,327.14
  6. Step 6: Final answer
    x = 2,146.96

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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.