Home / 9,150.86-12,628.35-4,959.11

Finding the Fourth Proportional to 9,150.86, 12,628.35 and 4,959.11

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Solution

The fourth proportional to 9,150.86, 12,628.35 and 4,959.11 is: 6,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.86 : 12,628.35 = 4,959.11 : x
  2. Step 2: Convert to fraction form
    9,150.86/12,628.35 = 4,959.11/x
  3. Step 3: Cross multiply
    9,150.86x = 12,628.35 × 4,959.11
  4. Step 4: Simplify right side
    9,150.86x = 62,625,313.63
  5. Step 5: Solve for x
    x = 62,625,313.63/9,150.86
  6. Step 6: Final answer
    x = 6,843.66

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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.