Home / 5,327.81-7,991.66-1,630.02

Finding the Fourth Proportional to 5,327.81, 7,991.66 and 1,630.02

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Solution

The fourth proportional to 5,327.81, 7,991.66 and 1,630.02 is: 2,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.81 : 7,991.66 = 1,630.02 : x
  2. Step 2: Convert to fraction form
    5,327.81/7,991.66 = 1,630.02/x
  3. Step 3: Cross multiply
    5,327.81x = 7,991.66 × 1,630.02
  4. Step 4: Simplify right side
    5,327.81x = 13,026,557.48
  5. Step 5: Solve for x
    x = 13,026,557.48/5,327.81
  6. Step 6: Final answer
    x = 2,445.01

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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.