Home / 9,150.85-12,628.17-4,959.10

Finding the Fourth Proportional to 9,150.85, 12,628.17 and 4,959.10

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Solution

The fourth proportional to 9,150.85, 12,628.17 and 4,959.10 is: 6,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.85 : 12,628.17 = 4,959.10 : x
  2. Step 2: Convert to fraction form
    9,150.85/12,628.17 = 4,959.10/x
  3. Step 3: Cross multiply
    9,150.85x = 12,628.17 × 4,959.10
  4. Step 4: Simplify right side
    9,150.85x = 62,624,326.28
  5. Step 5: Solve for x
    x = 62,624,326.28/9,150.85
  6. Step 6: Final answer
    x = 6,843.55

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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.