Home / 5,281.08-7,926.48-2,685.84

Finding the Fourth Proportional to 5,281.08, 7,926.48 and 2,685.84

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Solution

The fourth proportional to 5,281.08, 7,926.48 and 2,685.84 is: 4,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.08 : 7,926.48 = 2,685.84 : x
  2. Step 2: Convert to fraction form
    5,281.08/7,926.48 = 2,685.84/x
  3. Step 3: Cross multiply
    5,281.08x = 7,926.48 × 2,685.84
  4. Step 4: Simplify right side
    5,281.08x = 21,289,257.04
  5. Step 5: Solve for x
    x = 21,289,257.04/5,281.08
  6. Step 6: Final answer
    x = 4,031.23

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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.