Home / 6,712.84-10,061.96-2,812.72

Finding the Fourth Proportional to 6,712.84, 10,061.96 and 2,812.72

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Solution

The fourth proportional to 6,712.84, 10,061.96 and 2,812.72 is: 4,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.84 : 10,061.96 = 2,812.72 : x
  2. Step 2: Convert to fraction form
    6,712.84/10,061.96 = 2,812.72/x
  3. Step 3: Cross multiply
    6,712.84x = 10,061.96 × 2,812.72
  4. Step 4: Simplify right side
    6,712.84x = 28,301,476.13
  5. Step 5: Solve for x
    x = 28,301,476.13/6,712.84
  6. Step 6: Final answer
    x = 4,216.02

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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.