Home / 7,281.04-10,923.27-2,086.78

Finding the Fourth Proportional to 7,281.04, 10,923.27 and 2,086.78

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Solution

The fourth proportional to 7,281.04, 10,923.27 and 2,086.78 is: 3,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.04 : 10,923.27 = 2,086.78 : x
  2. Step 2: Convert to fraction form
    7,281.04/10,923.27 = 2,086.78/x
  3. Step 3: Cross multiply
    7,281.04x = 10,923.27 × 2,086.78
  4. Step 4: Simplify right side
    7,281.04x = 22,794,461.37
  5. Step 5: Solve for x
    x = 22,794,461.37/7,281.04
  6. Step 6: Final answer
    x = 3,130.66

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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.