Home / 7,745.74-10,689.18-4,208.97

Finding the Fourth Proportional to 7,745.74, 10,689.18 and 4,208.97

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Solution

The fourth proportional to 7,745.74, 10,689.18 and 4,208.97 is: 5,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.74 : 10,689.18 = 4,208.97 : x
  2. Step 2: Convert to fraction form
    7,745.74/10,689.18 = 4,208.97/x
  3. Step 3: Cross multiply
    7,745.74x = 10,689.18 × 4,208.97
  4. Step 4: Simplify right side
    7,745.74x = 44,990,437.94
  5. Step 5: Solve for x
    x = 44,990,437.94/7,745.74
  6. Step 6: Final answer
    x = 5,808.41

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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.