Home / 5,281.88-7,911.47-3,427.58

Finding the Fourth Proportional to 5,281.88, 7,911.47 and 3,427.58

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Solution

The fourth proportional to 5,281.88, 7,911.47 and 3,427.58 is: 5,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.88 : 7,911.47 = 3,427.58 : x
  2. Step 2: Convert to fraction form
    5,281.88/7,911.47 = 3,427.58/x
  3. Step 3: Cross multiply
    5,281.88x = 7,911.47 × 3,427.58
  4. Step 4: Simplify right side
    5,281.88x = 27,117,224.69
  5. Step 5: Solve for x
    x = 27,117,224.69/5,281.88
  6. Step 6: Final answer
    x = 5,134.01

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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.