Home / 5,168.08-7,754.19-1,881.40

Finding the Fourth Proportional to 5,168.08, 7,754.19 and 1,881.40

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Solution

The fourth proportional to 5,168.08, 7,754.19 and 1,881.40 is: 2,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.08 : 7,754.19 = 1,881.40 : x
  2. Step 2: Convert to fraction form
    5,168.08/7,754.19 = 1,881.40/x
  3. Step 3: Cross multiply
    5,168.08x = 7,754.19 × 1,881.40
  4. Step 4: Simplify right side
    5,168.08x = 14,588,733.07
  5. Step 5: Solve for x
    x = 14,588,733.07/5,168.08
  6. Step 6: Final answer
    x = 2,822.85

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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.