Home / 8,864.81-13,297.16-2,708.81

Finding the Fourth Proportional to 8,864.81, 13,297.16 and 2,708.81

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Solution

The fourth proportional to 8,864.81, 13,297.16 and 2,708.81 is: 4,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.81 : 13,297.16 = 2,708.81 : x
  2. Step 2: Convert to fraction form
    8,864.81/13,297.16 = 2,708.81/x
  3. Step 3: Cross multiply
    8,864.81x = 13,297.16 × 2,708.81
  4. Step 4: Simplify right side
    8,864.81x = 36,019,466.44
  5. Step 5: Solve for x
    x = 36,019,466.44/8,864.81
  6. Step 6: Final answer
    x = 4,063.20

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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.