Home / 8,860.80-13,285.04-3,927.76

Finding the Fourth Proportional to 8,860.80, 13,285.04 and 3,927.76

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Solution

The fourth proportional to 8,860.80, 13,285.04 and 3,927.76 is: 5,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.80 : 13,285.04 = 3,927.76 : x
  2. Step 2: Convert to fraction form
    8,860.80/13,285.04 = 3,927.76/x
  3. Step 3: Cross multiply
    8,860.80x = 13,285.04 × 3,927.76
  4. Step 4: Simplify right side
    8,860.80x = 52,180,448.71
  5. Step 5: Solve for x
    x = 52,180,448.71/8,860.80
  6. Step 6: Final answer
    x = 5,888.91

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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.