Home / 7,536.02-10,400.13-5,179.22

Finding the Fourth Proportional to 7,536.02, 10,400.13 and 5,179.22

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Solution

The fourth proportional to 7,536.02, 10,400.13 and 5,179.22 is: 7,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.02 : 10,400.13 = 5,179.22 : x
  2. Step 2: Convert to fraction form
    7,536.02/10,400.13 = 5,179.22/x
  3. Step 3: Cross multiply
    7,536.02x = 10,400.13 × 5,179.22
  4. Step 4: Simplify right side
    7,536.02x = 53,864,561.30
  5. Step 5: Solve for x
    x = 53,864,561.30/7,536.02
  6. Step 6: Final answer
    x = 7,147.61

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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.