Home / 5,501.30-8,251.94-1,605.70

Finding the Fourth Proportional to 5,501.30, 8,251.94 and 1,605.70

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Solution

The fourth proportional to 5,501.30, 8,251.94 and 1,605.70 is: 2,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.30 : 8,251.94 = 1,605.70 : x
  2. Step 2: Convert to fraction form
    5,501.30/8,251.94 = 1,605.70/x
  3. Step 3: Cross multiply
    5,501.30x = 8,251.94 × 1,605.70
  4. Step 4: Simplify right side
    5,501.30x = 13,250,140.06
  5. Step 5: Solve for x
    x = 13,250,140.06/5,501.30
  6. Step 6: Final answer
    x = 2,408.55

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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.