Home / 5,664.26-7,815.80-3,146.13

Finding the Fourth Proportional to 5,664.26, 7,815.80 and 3,146.13

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Solution

The fourth proportional to 5,664.26, 7,815.80 and 3,146.13 is: 4,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.26 : 7,815.80 = 3,146.13 : x
  2. Step 2: Convert to fraction form
    5,664.26/7,815.80 = 3,146.13/x
  3. Step 3: Cross multiply
    5,664.26x = 7,815.80 × 3,146.13
  4. Step 4: Simplify right side
    5,664.26x = 24,589,530.72
  5. Step 5: Solve for x
    x = 24,589,530.72/5,664.26
  6. Step 6: Final answer
    x = 4,341.17

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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.