Home / 7,214.12-10,821.10-3,926.46

Finding the Fourth Proportional to 7,214.12, 10,821.10 and 3,926.46

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Solution

The fourth proportional to 7,214.12, 10,821.10 and 3,926.46 is: 5,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.12 : 10,821.10 = 3,926.46 : x
  2. Step 2: Convert to fraction form
    7,214.12/10,821.10 = 3,926.46/x
  3. Step 3: Cross multiply
    7,214.12x = 10,821.10 × 3,926.46
  4. Step 4: Simplify right side
    7,214.12x = 42,488,616.31
  5. Step 5: Solve for x
    x = 42,488,616.31/7,214.12
  6. Step 6: Final answer
    x = 5,889.65

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1.5x scale

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.