Home / 5,111.35-7,663.78-3,354.19

Finding the Fourth Proportional to 5,111.35, 7,663.78 and 3,354.19

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Solution

The fourth proportional to 5,111.35, 7,663.78 and 3,354.19 is: 5,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.35 : 7,663.78 = 3,354.19 : x
  2. Step 2: Convert to fraction form
    5,111.35/7,663.78 = 3,354.19/x
  3. Step 3: Cross multiply
    5,111.35x = 7,663.78 × 3,354.19
  4. Step 4: Simplify right side
    5,111.35x = 25,705,774.24
  5. Step 5: Solve for x
    x = 25,705,774.24/5,111.35
  6. Step 6: Final answer
    x = 5,029.16

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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.