Home / 7,289.06-10,934.24-3,128.13

Finding the Fourth Proportional to 7,289.06, 10,934.24 and 3,128.13

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Solution

The fourth proportional to 7,289.06, 10,934.24 and 3,128.13 is: 4,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.06 : 10,934.24 = 3,128.13 : x
  2. Step 2: Convert to fraction form
    7,289.06/10,934.24 = 3,128.13/x
  3. Step 3: Cross multiply
    7,289.06x = 10,934.24 × 3,128.13
  4. Step 4: Simplify right side
    7,289.06x = 34,203,708.53
  5. Step 5: Solve for x
    x = 34,203,708.53/7,289.06
  6. Step 6: Final answer
    x = 4,692.48

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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.