Home / 7,126.89-10,680-4,903.44

Finding the Fourth Proportional to 7,126.89, 10,680 and 4,903.44

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Solution

The fourth proportional to 7,126.89, 10,680 and 4,903.44 is: 7,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.89 : 10,680 = 4,903.44 : x
  2. Step 2: Convert to fraction form
    7,126.89/10,680 = 4,903.44/x
  3. Step 3: Cross multiply
    7,126.89x = 10,680 × 4,903.44
  4. Step 4: Simplify right side
    7,126.89x = 52,368,739.20
  5. Step 5: Solve for x
    x = 52,368,739.20/7,126.89
  6. Step 6: Final answer
    x = 7,348.05

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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.