Home / 7,159.80-10,727.96-6,886.43

Finding the Fourth Proportional to 7,159.80, 10,727.96 and 6,886.43

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Solution

The fourth proportional to 7,159.80, 10,727.96 and 6,886.43 is: 10,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.80 : 10,727.96 = 6,886.43 : x
  2. Step 2: Convert to fraction form
    7,159.80/10,727.96 = 6,886.43/x
  3. Step 3: Cross multiply
    7,159.80x = 10,727.96 × 6,886.43
  4. Step 4: Simplify right side
    7,159.80x = 73,877,257.51
  5. Step 5: Solve for x
    x = 73,877,257.51/7,159.80
  6. Step 6: Final answer
    x = 10,318.34

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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.