Home / 5,439.51-8,158.03-2,663.42

Finding the Fourth Proportional to 5,439.51, 8,158.03 and 2,663.42

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Solution

The fourth proportional to 5,439.51, 8,158.03 and 2,663.42 is: 3,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.51 : 8,158.03 = 2,663.42 : x
  2. Step 2: Convert to fraction form
    5,439.51/8,158.03 = 2,663.42/x
  3. Step 3: Cross multiply
    5,439.51x = 8,158.03 × 2,663.42
  4. Step 4: Simplify right side
    5,439.51x = 21,728,260.26
  5. Step 5: Solve for x
    x = 21,728,260.26/5,439.51
  6. Step 6: Final answer
    x = 3,994.53

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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.