Home / 5,281.24-7,287.06-3,185.50

Finding the Fourth Proportional to 5,281.24, 7,287.06 and 3,185.50

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Solution

The fourth proportional to 5,281.24, 7,287.06 and 3,185.50 is: 4,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.24 : 7,287.06 = 3,185.50 : x
  2. Step 2: Convert to fraction form
    5,281.24/7,287.06 = 3,185.50/x
  3. Step 3: Cross multiply
    5,281.24x = 7,287.06 × 3,185.50
  4. Step 4: Simplify right side
    5,281.24x = 23,212,929.63
  5. Step 5: Solve for x
    x = 23,212,929.63/5,281.24
  6. Step 6: Final answer
    x = 4,395.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.