Home / 5,391.54-8,091.50-2,470.01

Finding the Fourth Proportional to 5,391.54, 8,091.50 and 2,470.01

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Solution

The fourth proportional to 5,391.54, 8,091.50 and 2,470.01 is: 3,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.54 : 8,091.50 = 2,470.01 : x
  2. Step 2: Convert to fraction form
    5,391.54/8,091.50 = 2,470.01/x
  3. Step 3: Cross multiply
    5,391.54x = 8,091.50 × 2,470.01
  4. Step 4: Simplify right side
    5,391.54x = 19,986,085.92
  5. Step 5: Solve for x
    x = 19,986,085.92/5,391.54
  6. Step 6: Final answer
    x = 3,706.93

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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.