Home / 7,331.97-10,117.99-4,145.21

Finding the Fourth Proportional to 7,331.97, 10,117.99 and 4,145.21

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Solution

The fourth proportional to 7,331.97, 10,117.99 and 4,145.21 is: 5,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.97 : 10,117.99 = 4,145.21 : x
  2. Step 2: Convert to fraction form
    7,331.97/10,117.99 = 4,145.21/x
  3. Step 3: Cross multiply
    7,331.97x = 10,117.99 × 4,145.21
  4. Step 4: Simplify right side
    7,331.97x = 41,941,193.33
  5. Step 5: Solve for x
    x = 41,941,193.33/7,331.97
  6. Step 6: Final answer
    x = 5,720.32

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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.