Home / 5,242.31-7,847.23-3,461.44

Finding the Fourth Proportional to 5,242.31, 7,847.23 and 3,461.44

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Solution

The fourth proportional to 5,242.31, 7,847.23 and 3,461.44 is: 5,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.31 : 7,847.23 = 3,461.44 : x
  2. Step 2: Convert to fraction form
    5,242.31/7,847.23 = 3,461.44/x
  3. Step 3: Cross multiply
    5,242.31x = 7,847.23 × 3,461.44
  4. Step 4: Simplify right side
    5,242.31x = 27,162,714.26
  5. Step 5: Solve for x
    x = 27,162,714.26/5,242.31
  6. Step 6: Final answer
    x = 5,181.44

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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.