Home / 5,806.95-8,013.61-3,154.31

Finding the Fourth Proportional to 5,806.95, 8,013.61 and 3,154.31

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Solution

The fourth proportional to 5,806.95, 8,013.61 and 3,154.31 is: 4,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.95 : 8,013.61 = 3,154.31 : x
  2. Step 2: Convert to fraction form
    5,806.95/8,013.61 = 3,154.31/x
  3. Step 3: Cross multiply
    5,806.95x = 8,013.61 × 3,154.31
  4. Step 4: Simplify right side
    5,806.95x = 25,277,370.09
  5. Step 5: Solve for x
    x = 25,277,370.09/5,806.95
  6. Step 6: Final answer
    x = 4,352.95

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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.