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Finding the Fourth Proportional to 8,878.86, 13,318.77 and 2,304.87

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Solution

The fourth proportional to 8,878.86, 13,318.77 and 2,304.87 is: 3,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.86 : 13,318.77 = 2,304.87 : x
  2. Step 2: Convert to fraction form
    8,878.86/13,318.77 = 2,304.87/x
  3. Step 3: Cross multiply
    8,878.86x = 13,318.77 × 2,304.87
  4. Step 4: Simplify right side
    8,878.86x = 30,698,033.41
  5. Step 5: Solve for x
    x = 30,698,033.41/8,878.86
  6. Step 6: Final answer
    x = 3,457.43

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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.