Home / 7,070.19-9,757.16-3,926.38

Finding the Fourth Proportional to 7,070.19, 9,757.16 and 3,926.38

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Solution

The fourth proportional to 7,070.19, 9,757.16 and 3,926.38 is: 5,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.19 : 9,757.16 = 3,926.38 : x
  2. Step 2: Convert to fraction form
    7,070.19/9,757.16 = 3,926.38/x
  3. Step 3: Cross multiply
    7,070.19x = 9,757.16 × 3,926.38
  4. Step 4: Simplify right side
    7,070.19x = 38,310,317.88
  5. Step 5: Solve for x
    x = 38,310,317.88/7,070.19
  6. Step 6: Final answer
    x = 5,418.57

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1.5x scale

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.