Home / 7,219.89-10,813.43-5,650.11

Finding the Fourth Proportional to 7,219.89, 10,813.43 and 5,650.11

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Solution

The fourth proportional to 7,219.89, 10,813.43 and 5,650.11 is: 8,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.89 : 10,813.43 = 5,650.11 : x
  2. Step 2: Convert to fraction form
    7,219.89/10,813.43 = 5,650.11/x
  3. Step 3: Cross multiply
    7,219.89x = 10,813.43 × 5,650.11
  4. Step 4: Simplify right side
    7,219.89x = 61,097,034.88
  5. Step 5: Solve for x
    x = 61,097,034.88/7,219.89
  6. Step 6: Final answer
    x = 8,462.33

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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.