Home / 5,327.81-7,991.72-1,432.22

Finding the Fourth Proportional to 5,327.81, 7,991.72 and 1,432.22

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Solution

The fourth proportional to 5,327.81, 7,991.72 and 1,432.22 is: 2,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.81 : 7,991.72 = 1,432.22 : x
  2. Step 2: Convert to fraction form
    5,327.81/7,991.72 = 1,432.22/x
  3. Step 3: Cross multiply
    5,327.81x = 7,991.72 × 1,432.22
  4. Step 4: Simplify right side
    5,327.81x = 11,445,901.22
  5. Step 5: Solve for x
    x = 11,445,901.22/5,327.81
  6. Step 6: Final answer
    x = 2,148.33

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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.