Home / 7,419.21-10,238.77-4,062.05

Finding the Fourth Proportional to 7,419.21, 10,238.77 and 4,062.05

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Solution

The fourth proportional to 7,419.21, 10,238.77 and 4,062.05 is: 5,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.21 : 10,238.77 = 4,062.05 : x
  2. Step 2: Convert to fraction form
    7,419.21/10,238.77 = 4,062.05/x
  3. Step 3: Cross multiply
    7,419.21x = 10,238.77 × 4,062.05
  4. Step 4: Simplify right side
    7,419.21x = 41,590,438.69
  5. Step 5: Solve for x
    x = 41,590,438.69/7,419.21
  6. Step 6: Final answer
    x = 5,605.78

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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.