Home / 8,227.71-11,347.70-5,394.87

Finding the Fourth Proportional to 8,227.71, 11,347.70 and 5,394.87

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Solution

The fourth proportional to 8,227.71, 11,347.70 and 5,394.87 is: 7,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.71 : 11,347.70 = 5,394.87 : x
  2. Step 2: Convert to fraction form
    8,227.71/11,347.70 = 5,394.87/x
  3. Step 3: Cross multiply
    8,227.71x = 11,347.70 × 5,394.87
  4. Step 4: Simplify right side
    8,227.71x = 61,219,339.32
  5. Step 5: Solve for x
    x = 61,219,339.32/8,227.71
  6. Step 6: Final answer
    x = 7,440.63

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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.