Home / 7,184.12-10,768.50-5,125.88

Finding the Fourth Proportional to 7,184.12, 10,768.50 and 5,125.88

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Solution

The fourth proportional to 7,184.12, 10,768.50 and 5,125.88 is: 7,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.12 : 10,768.50 = 5,125.88 : x
  2. Step 2: Convert to fraction form
    7,184.12/10,768.50 = 5,125.88/x
  3. Step 3: Cross multiply
    7,184.12x = 10,768.50 × 5,125.88
  4. Step 4: Simplify right side
    7,184.12x = 55,198,038.78
  5. Step 5: Solve for x
    x = 55,198,038.78/7,184.12
  6. Step 6: Final answer
    x = 7,683.34

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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.