Home / 9,053.07-13,576.27-3,128.44

Finding the Fourth Proportional to 9,053.07, 13,576.27 and 3,128.44

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Solution

The fourth proportional to 9,053.07, 13,576.27 and 3,128.44 is: 4,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.07 : 13,576.27 = 3,128.44 : x
  2. Step 2: Convert to fraction form
    9,053.07/13,576.27 = 3,128.44/x
  3. Step 3: Cross multiply
    9,053.07x = 13,576.27 × 3,128.44
  4. Step 4: Simplify right side
    9,053.07x = 42,472,546.12
  5. Step 5: Solve for x
    x = 42,472,546.12/9,053.07
  6. Step 6: Final answer
    x = 4,691.51

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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.