Home / 7,181.22-9,910.14-4,386.72

Finding the Fourth Proportional to 7,181.22, 9,910.14 and 4,386.72

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Solution

The fourth proportional to 7,181.22, 9,910.14 and 4,386.72 is: 6,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.22 : 9,910.14 = 4,386.72 : x
  2. Step 2: Convert to fraction form
    7,181.22/9,910.14 = 4,386.72/x
  3. Step 3: Cross multiply
    7,181.22x = 9,910.14 × 4,386.72
  4. Step 4: Simplify right side
    7,181.22x = 43,473,009.34
  5. Step 5: Solve for x
    x = 43,473,009.34/7,181.22
  6. Step 6: Final answer
    x = 6,053.71

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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.