Home / 7,908.78-10,901.55-6,227.52

Finding the Fourth Proportional to 7,908.78, 10,901.55 and 6,227.52

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Solution

The fourth proportional to 7,908.78, 10,901.55 and 6,227.52 is: 8,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.78 : 10,901.55 = 6,227.52 : x
  2. Step 2: Convert to fraction form
    7,908.78/10,901.55 = 6,227.52/x
  3. Step 3: Cross multiply
    7,908.78x = 10,901.55 × 6,227.52
  4. Step 4: Simplify right side
    7,908.78x = 67,889,620.66
  5. Step 5: Solve for x
    x = 67,889,620.66/7,908.78
  6. Step 6: Final answer
    x = 8,584.08

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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.