Home / 7,816.09-11,726.84-3,432.91

Finding the Fourth Proportional to 7,816.09, 11,726.84 and 3,432.91

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Solution

The fourth proportional to 7,816.09, 11,726.84 and 3,432.91 is: 5,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.09 : 11,726.84 = 3,432.91 : x
  2. Step 2: Convert to fraction form
    7,816.09/11,726.84 = 3,432.91/x
  3. Step 3: Cross multiply
    7,816.09x = 11,726.84 × 3,432.91
  4. Step 4: Simplify right side
    7,816.09x = 40,257,139.82
  5. Step 5: Solve for x
    x = 40,257,139.82/7,816.09
  6. Step 6: Final answer
    x = 5,150.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.