Home / 7,075.72-10,613.04-2,914.66

Finding the Fourth Proportional to 7,075.72, 10,613.04 and 2,914.66

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Solution

The fourth proportional to 7,075.72, 10,613.04 and 2,914.66 is: 4,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.72 : 10,613.04 = 2,914.66 : x
  2. Step 2: Convert to fraction form
    7,075.72/10,613.04 = 2,914.66/x
  3. Step 3: Cross multiply
    7,075.72x = 10,613.04 × 2,914.66
  4. Step 4: Simplify right side
    7,075.72x = 30,933,403.17
  5. Step 5: Solve for x
    x = 30,933,403.17/7,075.72
  6. Step 6: Final answer
    x = 4,371.77

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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.