Home / 5,645.65-7,791.96-3,407.71

Finding the Fourth Proportional to 5,645.65, 7,791.96 and 3,407.71

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Solution

The fourth proportional to 5,645.65, 7,791.96 and 3,407.71 is: 4,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.65 : 7,791.96 = 3,407.71 : x
  2. Step 2: Convert to fraction form
    5,645.65/7,791.96 = 3,407.71/x
  3. Step 3: Cross multiply
    5,645.65x = 7,791.96 × 3,407.71
  4. Step 4: Simplify right side
    5,645.65x = 26,552,740.01
  5. Step 5: Solve for x
    x = 26,552,740.01/5,645.65
  6. Step 6: Final answer
    x = 4,703.22

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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.