Home / 4,242.56-6,362.22-1,319.90

Finding the Fourth Proportional to 4,242.56, 6,362.22 and 1,319.90

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Solution

The fourth proportional to 4,242.56, 6,362.22 and 1,319.90 is: 1,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.56 : 6,362.22 = 1,319.90 : x
  2. Step 2: Convert to fraction form
    4,242.56/6,362.22 = 1,319.90/x
  3. Step 3: Cross multiply
    4,242.56x = 6,362.22 × 1,319.90
  4. Step 4: Simplify right side
    4,242.56x = 8,397,494.18
  5. Step 5: Solve for x
    x = 8,397,494.18/4,242.56
  6. Step 6: Final answer
    x = 1,979.35

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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.