Home / 5,181.30-7,148.05-3,610.31

Finding the Fourth Proportional to 5,181.30, 7,148.05 and 3,610.31

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Solution

The fourth proportional to 5,181.30, 7,148.05 and 3,610.31 is: 4,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.30 : 7,148.05 = 3,610.31 : x
  2. Step 2: Convert to fraction form
    5,181.30/7,148.05 = 3,610.31/x
  3. Step 3: Cross multiply
    5,181.30x = 7,148.05 × 3,610.31
  4. Step 4: Simplify right side
    5,181.30x = 25,806,631.63
  5. Step 5: Solve for x
    x = 25,806,631.63/5,181.30
  6. Step 6: Final answer
    x = 4,980.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.