Home / 7,816.58-11,724.96-2,886.38

Finding the Fourth Proportional to 7,816.58, 11,724.96 and 2,886.38

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Solution

The fourth proportional to 7,816.58, 11,724.96 and 2,886.38 is: 4,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.58 : 11,724.96 = 2,886.38 : x
  2. Step 2: Convert to fraction form
    7,816.58/11,724.96 = 2,886.38/x
  3. Step 3: Cross multiply
    7,816.58x = 11,724.96 × 2,886.38
  4. Step 4: Simplify right side
    7,816.58x = 33,842,690.04
  5. Step 5: Solve for x
    x = 33,842,690.04/7,816.58
  6. Step 6: Final answer
    x = 4,329.60

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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.