Home / 8,694.80-13,032.08-4,315.04

Finding the Fourth Proportional to 8,694.80, 13,032.08 and 4,315.04

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Solution

The fourth proportional to 8,694.80, 13,032.08 and 4,315.04 is: 6,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.80 : 13,032.08 = 4,315.04 : x
  2. Step 2: Convert to fraction form
    8,694.80/13,032.08 = 4,315.04/x
  3. Step 3: Cross multiply
    8,694.80x = 13,032.08 × 4,315.04
  4. Step 4: Simplify right side
    8,694.80x = 56,233,946.48
  5. Step 5: Solve for x
    x = 56,233,946.48/8,694.80
  6. Step 6: Final answer
    x = 6,467.54

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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.