Home / 7,519.47-11,277.39-3,134.55

Finding the Fourth Proportional to 7,519.47, 11,277.39 and 3,134.55

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Solution

The fourth proportional to 7,519.47, 11,277.39 and 3,134.55 is: 4,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.47 : 11,277.39 = 3,134.55 : x
  2. Step 2: Convert to fraction form
    7,519.47/11,277.39 = 3,134.55/x
  3. Step 3: Cross multiply
    7,519.47x = 11,277.39 × 3,134.55
  4. Step 4: Simplify right side
    7,519.47x = 35,349,542.82
  5. Step 5: Solve for x
    x = 35,349,542.82/7,519.47
  6. Step 6: Final answer
    x = 4,701.07

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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.