Home / 5,306.40-7,958.69-1,608.09

Finding the Fourth Proportional to 5,306.40, 7,958.69 and 1,608.09

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Solution

The fourth proportional to 5,306.40, 7,958.69 and 1,608.09 is: 2,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.40 : 7,958.69 = 1,608.09 : x
  2. Step 2: Convert to fraction form
    5,306.40/7,958.69 = 1,608.09/x
  3. Step 3: Cross multiply
    5,306.40x = 7,958.69 × 1,608.09
  4. Step 4: Simplify right side
    5,306.40x = 12,798,289.80
  5. Step 5: Solve for x
    x = 12,798,289.80/5,306.40
  6. Step 6: Final answer
    x = 2,411.86

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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.