Home / 5,289.06-7,933.29-1,591.21

Finding the Fourth Proportional to 5,289.06, 7,933.29 and 1,591.21

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Solution

The fourth proportional to 5,289.06, 7,933.29 and 1,591.21 is: 2,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.06 : 7,933.29 = 1,591.21 : x
  2. Step 2: Convert to fraction form
    5,289.06/7,933.29 = 1,591.21/x
  3. Step 3: Cross multiply
    5,289.06x = 7,933.29 × 1,591.21
  4. Step 4: Simplify right side
    5,289.06x = 12,623,530.38
  5. Step 5: Solve for x
    x = 12,623,530.38/5,289.06
  6. Step 6: Final answer
    x = 2,386.72

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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.