Home / 5,664.39-7,816.86-3,146.91

Finding the Fourth Proportional to 5,664.39, 7,816.86 and 3,146.91

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Solution

The fourth proportional to 5,664.39, 7,816.86 and 3,146.91 is: 4,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.39 : 7,816.86 = 3,146.91 : x
  2. Step 2: Convert to fraction form
    5,664.39/7,816.86 = 3,146.91/x
  3. Step 3: Cross multiply
    5,664.39x = 7,816.86 × 3,146.91
  4. Step 4: Simplify right side
    5,664.39x = 24,598,954.90
  5. Step 5: Solve for x
    x = 24,598,954.90/5,664.39
  6. Step 6: Final answer
    x = 4,342.74

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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.