Home / 8,723.66-13,081.08-2,878.34

Finding the Fourth Proportional to 8,723.66, 13,081.08 and 2,878.34

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Solution

The fourth proportional to 8,723.66, 13,081.08 and 2,878.34 is: 4,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.66 : 13,081.08 = 2,878.34 : x
  2. Step 2: Convert to fraction form
    8,723.66/13,081.08 = 2,878.34/x
  3. Step 3: Cross multiply
    8,723.66x = 13,081.08 × 2,878.34
  4. Step 4: Simplify right side
    8,723.66x = 37,651,795.81
  5. Step 5: Solve for x
    x = 37,651,795.81/8,723.66
  6. Step 6: Final answer
    x = 4,316.05

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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.