Home / 4,929.12-7,378.48-3,261.44

Finding the Fourth Proportional to 4,929.12, 7,378.48 and 3,261.44

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Solution

The fourth proportional to 4,929.12, 7,378.48 and 3,261.44 is: 4,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.12 : 7,378.48 = 3,261.44 : x
  2. Step 2: Convert to fraction form
    4,929.12/7,378.48 = 3,261.44/x
  3. Step 3: Cross multiply
    4,929.12x = 7,378.48 × 3,261.44
  4. Step 4: Simplify right side
    4,929.12x = 24,064,469.81
  5. Step 5: Solve for x
    x = 24,064,469.81/4,929.12
  6. Step 6: Final answer
    x = 4,882.10

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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.