Home / 5,806.90-8,013.75-3,289.13

Finding the Fourth Proportional to 5,806.90, 8,013.75 and 3,289.13

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Solution

The fourth proportional to 5,806.90, 8,013.75 and 3,289.13 is: 4,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.90 : 8,013.75 = 3,289.13 : x
  2. Step 2: Convert to fraction form
    5,806.90/8,013.75 = 3,289.13/x
  3. Step 3: Cross multiply
    5,806.90x = 8,013.75 × 3,289.13
  4. Step 4: Simplify right side
    5,806.90x = 26,358,265.54
  5. Step 5: Solve for x
    x = 26,358,265.54/5,806.90
  6. Step 6: Final answer
    x = 4,539.13

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1.5x scale

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.