Home / 5,211.11-7,814.94-1,513.46

Finding the Fourth Proportional to 5,211.11, 7,814.94 and 1,513.46

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Solution

The fourth proportional to 5,211.11, 7,814.94 and 1,513.46 is: 2,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.11 : 7,814.94 = 1,513.46 : x
  2. Step 2: Convert to fraction form
    5,211.11/7,814.94 = 1,513.46/x
  3. Step 3: Cross multiply
    5,211.11x = 7,814.94 × 1,513.46
  4. Step 4: Simplify right side
    5,211.11x = 11,827,560.02
  5. Step 5: Solve for x
    x = 11,827,560.02/5,211.11
  6. Step 6: Final answer
    x = 2,269.68

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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.