Home / 7,075.56-10,613.16-3,380.40

Finding the Fourth Proportional to 7,075.56, 10,613.16 and 3,380.40

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Solution

The fourth proportional to 7,075.56, 10,613.16 and 3,380.40 is: 5,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.56 : 10,613.16 = 3,380.40 : x
  2. Step 2: Convert to fraction form
    7,075.56/10,613.16 = 3,380.40/x
  3. Step 3: Cross multiply
    7,075.56x = 10,613.16 × 3,380.40
  4. Step 4: Simplify right side
    7,075.56x = 35,876,726.06
  5. Step 5: Solve for x
    x = 35,876,726.06/7,075.56
  6. Step 6: Final answer
    x = 5,070.51

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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.