Home / 5,425.67-8,140.85-2,306.36

Finding the Fourth Proportional to 5,425.67, 8,140.85 and 2,306.36

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Solution

The fourth proportional to 5,425.67, 8,140.85 and 2,306.36 is: 3,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.67 : 8,140.85 = 2,306.36 : x
  2. Step 2: Convert to fraction form
    5,425.67/8,140.85 = 2,306.36/x
  3. Step 3: Cross multiply
    5,425.67x = 8,140.85 × 2,306.36
  4. Step 4: Simplify right side
    5,425.67x = 18,775,730.81
  5. Step 5: Solve for x
    x = 18,775,730.81/5,425.67
  6. Step 6: Final answer
    x = 3,460.54

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1.5x scale

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.