Home / 7,277.57-10,042.81-4,090.79

Finding the Fourth Proportional to 7,277.57, 10,042.81 and 4,090.79

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Solution

The fourth proportional to 7,277.57, 10,042.81 and 4,090.79 is: 5,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.57 : 10,042.81 = 4,090.79 : x
  2. Step 2: Convert to fraction form
    7,277.57/10,042.81 = 4,090.79/x
  3. Step 3: Cross multiply
    7,277.57x = 10,042.81 × 4,090.79
  4. Step 4: Simplify right side
    7,277.57x = 41,083,026.72
  5. Step 5: Solve for x
    x = 41,083,026.72/7,277.57
  6. Step 6: Final answer
    x = 5,645.16

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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.