Home / 5,385.36-7,422.84-3,703.92

Finding the Fourth Proportional to 5,385.36, 7,422.84 and 3,703.92

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Solution

The fourth proportional to 5,385.36, 7,422.84 and 3,703.92 is: 5,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.36 : 7,422.84 = 3,703.92 : x
  2. Step 2: Convert to fraction form
    5,385.36/7,422.84 = 3,703.92/x
  3. Step 3: Cross multiply
    5,385.36x = 7,422.84 × 3,703.92
  4. Step 4: Simplify right side
    5,385.36x = 27,493,605.53
  5. Step 5: Solve for x
    x = 27,493,605.53/5,385.36
  6. Step 6: Final answer
    x = 5,105.25

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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.