Home / 7,070.08-9,757.02-3,926.56

Finding the Fourth Proportional to 7,070.08, 9,757.02 and 3,926.56

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Solution

The fourth proportional to 7,070.08, 9,757.02 and 3,926.56 is: 5,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.08 : 9,757.02 = 3,926.56 : x
  2. Step 2: Convert to fraction form
    7,070.08/9,757.02 = 3,926.56/x
  3. Step 3: Cross multiply
    7,070.08x = 9,757.02 × 3,926.56
  4. Step 4: Simplify right side
    7,070.08x = 38,311,524.45
  5. Step 5: Solve for x
    x = 38,311,524.45/7,070.08
  6. Step 6: Final answer
    x = 5,418.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.