Home / 7,816.82-11,726.88-2,886.50

Finding the Fourth Proportional to 7,816.82, 11,726.88 and 2,886.50

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Solution

The fourth proportional to 7,816.82, 11,726.88 and 2,886.50 is: 4,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.82 : 11,726.88 = 2,886.50 : x
  2. Step 2: Convert to fraction form
    7,816.82/11,726.88 = 2,886.50/x
  3. Step 3: Cross multiply
    7,816.82x = 11,726.88 × 2,886.50
  4. Step 4: Simplify right side
    7,816.82x = 33,849,639.12
  5. Step 5: Solve for x
    x = 33,849,639.12/7,816.82
  6. Step 6: Final answer
    x = 4,330.36

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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.