Home / 5,117.29-7,064.21-3,858.85

Finding the Fourth Proportional to 5,117.29, 7,064.21 and 3,858.85

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Solution

The fourth proportional to 5,117.29, 7,064.21 and 3,858.85 is: 5,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.29 : 7,064.21 = 3,858.85 : x
  2. Step 2: Convert to fraction form
    5,117.29/7,064.21 = 3,858.85/x
  3. Step 3: Cross multiply
    5,117.29x = 7,064.21 × 3,858.85
  4. Step 4: Simplify right side
    5,117.29x = 27,259,726.76
  5. Step 5: Solve for x
    x = 27,259,726.76/5,117.29
  6. Step 6: Final answer
    x = 5,326.98

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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.