Home / 4,872.13-6,720.76-2,882.36

Finding the Fourth Proportional to 4,872.13, 6,720.76 and 2,882.36

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Solution

The fourth proportional to 4,872.13, 6,720.76 and 2,882.36 is: 3,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.13 : 6,720.76 = 2,882.36 : x
  2. Step 2: Convert to fraction form
    4,872.13/6,720.76 = 2,882.36/x
  3. Step 3: Cross multiply
    4,872.13x = 6,720.76 × 2,882.36
  4. Step 4: Simplify right side
    4,872.13x = 19,371,649.79
  5. Step 5: Solve for x
    x = 19,371,649.79/4,872.13
  6. Step 6: Final answer
    x = 3,976.01

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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.