Home / 7,563.66-10,438.11-4,419.78

Finding the Fourth Proportional to 7,563.66, 10,438.11 and 4,419.78

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Solution

The fourth proportional to 7,563.66, 10,438.11 and 4,419.78 is: 6,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.66 : 10,438.11 = 4,419.78 : x
  2. Step 2: Convert to fraction form
    7,563.66/10,438.11 = 4,419.78/x
  3. Step 3: Cross multiply
    7,563.66x = 10,438.11 × 4,419.78
  4. Step 4: Simplify right side
    7,563.66x = 46,134,149.82
  5. Step 5: Solve for x
    x = 46,134,149.82/7,563.66
  6. Step 6: Final answer
    x = 6,099.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.