Home / 7,401.26-10,215.78-4,419.11

Finding the Fourth Proportional to 7,401.26, 10,215.78 and 4,419.11

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Solution

The fourth proportional to 7,401.26, 10,215.78 and 4,419.11 is: 6,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.26 : 10,215.78 = 4,419.11 : x
  2. Step 2: Convert to fraction form
    7,401.26/10,215.78 = 4,419.11/x
  3. Step 3: Cross multiply
    7,401.26x = 10,215.78 × 4,419.11
  4. Step 4: Simplify right side
    7,401.26x = 45,144,655.56
  5. Step 5: Solve for x
    x = 45,144,655.56/7,401.26
  6. Step 6: Final answer
    x = 6,099.59

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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.