Home / 5,806.79-8,013.40-3,154.19

Finding the Fourth Proportional to 5,806.79, 8,013.40 and 3,154.19

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Solution

The fourth proportional to 5,806.79, 8,013.40 and 3,154.19 is: 4,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.79 : 8,013.40 = 3,154.19 : x
  2. Step 2: Convert to fraction form
    5,806.79/8,013.40 = 3,154.19/x
  3. Step 3: Cross multiply
    5,806.79x = 8,013.40 × 3,154.19
  4. Step 4: Simplify right side
    5,806.79x = 25,275,786.15
  5. Step 5: Solve for x
    x = 25,275,786.15/5,806.79
  6. Step 6: Final answer
    x = 4,352.80

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Double scale
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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.