Home / 5,749.12-7,924.80-3,758.68

Finding the Fourth Proportional to 5,749.12, 7,924.80 and 3,758.68

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Solution

The fourth proportional to 5,749.12, 7,924.80 and 3,758.68 is: 5,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.12 : 7,924.80 = 3,758.68 : x
  2. Step 2: Convert to fraction form
    5,749.12/7,924.80 = 3,758.68/x
  3. Step 3: Cross multiply
    5,749.12x = 7,924.80 × 3,758.68
  4. Step 4: Simplify right side
    5,749.12x = 29,786,787.26
  5. Step 5: Solve for x
    x = 29,786,787.26/5,749.12
  6. Step 6: Final answer
    x = 5,181.10

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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.