Home / 5,160.84-7,748.34-2,664.11

Finding the Fourth Proportional to 5,160.84, 7,748.34 and 2,664.11

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Solution

The fourth proportional to 5,160.84, 7,748.34 and 2,664.11 is: 3,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.84 : 7,748.34 = 2,664.11 : x
  2. Step 2: Convert to fraction form
    5,160.84/7,748.34 = 2,664.11/x
  3. Step 3: Cross multiply
    5,160.84x = 7,748.34 × 2,664.11
  4. Step 4: Simplify right side
    5,160.84x = 20,642,430.08
  5. Step 5: Solve for x
    x = 20,642,430.08/5,160.84
  6. Step 6: Final answer
    x = 3,999.82

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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.