Home / 5,242.10-7,863.69-1,731.08

Finding the Fourth Proportional to 5,242.10, 7,863.69 and 1,731.08

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Solution

The fourth proportional to 5,242.10, 7,863.69 and 1,731.08 is: 2,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.10 : 7,863.69 = 1,731.08 : x
  2. Step 2: Convert to fraction form
    5,242.10/7,863.69 = 1,731.08/x
  3. Step 3: Cross multiply
    5,242.10x = 7,863.69 × 1,731.08
  4. Step 4: Simplify right side
    5,242.10x = 13,612,676.49
  5. Step 5: Solve for x
    x = 13,612,676.49/5,242.10
  6. Step 6: Final answer
    x = 2,596.80

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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.