Home / 4,486.76-6,192.75-2,912.12

Finding the Fourth Proportional to 4,486.76, 6,192.75 and 2,912.12

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Solution

The fourth proportional to 4,486.76, 6,192.75 and 2,912.12 is: 4,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.76 : 6,192.75 = 2,912.12 : x
  2. Step 2: Convert to fraction form
    4,486.76/6,192.75 = 2,912.12/x
  3. Step 3: Cross multiply
    4,486.76x = 6,192.75 × 2,912.12
  4. Step 4: Simplify right side
    4,486.76x = 18,034,000.17
  5. Step 5: Solve for x
    x = 18,034,000.17/4,486.76
  6. Step 6: Final answer
    x = 4,019.39

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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.