Home / 7,042.88-10,561.68-3,927.68

Finding the Fourth Proportional to 7,042.88, 10,561.68 and 3,927.68

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Solution

The fourth proportional to 7,042.88, 10,561.68 and 3,927.68 is: 5,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.88 : 10,561.68 = 3,927.68 : x
  2. Step 2: Convert to fraction form
    7,042.88/10,561.68 = 3,927.68/x
  3. Step 3: Cross multiply
    7,042.88x = 10,561.68 × 3,927.68
  4. Step 4: Simplify right side
    7,042.88x = 41,482,899.30
  5. Step 5: Solve for x
    x = 41,482,899.30/7,042.88
  6. Step 6: Final answer
    x = 5,890.05

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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.