Home / 5,695.21-7,859.16-3,305.06

Finding the Fourth Proportional to 5,695.21, 7,859.16 and 3,305.06

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Solution

The fourth proportional to 5,695.21, 7,859.16 and 3,305.06 is: 4,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.21 : 7,859.16 = 3,305.06 : x
  2. Step 2: Convert to fraction form
    5,695.21/7,859.16 = 3,305.06/x
  3. Step 3: Cross multiply
    5,695.21x = 7,859.16 × 3,305.06
  4. Step 4: Simplify right side
    5,695.21x = 25,974,995.35
  5. Step 5: Solve for x
    x = 25,974,995.35/5,695.21
  6. Step 6: Final answer
    x = 4,560.85

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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.