Home / 9,150.98-12,628.40-4,959.22

Finding the Fourth Proportional to 9,150.98, 12,628.40 and 4,959.22

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Solution

The fourth proportional to 9,150.98, 12,628.40 and 4,959.22 is: 6,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.98 : 12,628.40 = 4,959.22 : x
  2. Step 2: Convert to fraction form
    9,150.98/12,628.40 = 4,959.22/x
  3. Step 3: Cross multiply
    9,150.98x = 12,628.40 × 4,959.22
  4. Step 4: Simplify right side
    9,150.98x = 62,627,013.85
  5. Step 5: Solve for x
    x = 62,627,013.85/9,150.98
  6. Step 6: Final answer
    x = 6,843.75

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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.