Home / 7,305.13-10,081.59-4,161.32

Finding the Fourth Proportional to 7,305.13, 10,081.59 and 4,161.32

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Solution

The fourth proportional to 7,305.13, 10,081.59 and 4,161.32 is: 5,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.13 : 10,081.59 = 4,161.32 : x
  2. Step 2: Convert to fraction form
    7,305.13/10,081.59 = 4,161.32/x
  3. Step 3: Cross multiply
    7,305.13x = 10,081.59 × 4,161.32
  4. Step 4: Simplify right side
    7,305.13x = 41,952,671.69
  5. Step 5: Solve for x
    x = 41,952,671.69/7,305.13
  6. Step 6: Final answer
    x = 5,742.91

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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.