Home / 5,475.15-7,556.49-3,117.51

Finding the Fourth Proportional to 5,475.15, 7,556.49 and 3,117.51

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Solution

The fourth proportional to 5,475.15, 7,556.49 and 3,117.51 is: 4,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.15 : 7,556.49 = 3,117.51 : x
  2. Step 2: Convert to fraction form
    5,475.15/7,556.49 = 3,117.51/x
  3. Step 3: Cross multiply
    5,475.15x = 7,556.49 × 3,117.51
  4. Step 4: Simplify right side
    5,475.15x = 23,557,433.14
  5. Step 5: Solve for x
    x = 23,557,433.14/5,475.15
  6. Step 6: Final answer
    x = 4,302.61

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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.