Home / 6,664.71-9,199.44-4,145.31

Finding the Fourth Proportional to 6,664.71, 9,199.44 and 4,145.31

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Solution

The fourth proportional to 6,664.71, 9,199.44 and 4,145.31 is: 5,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.71 : 9,199.44 = 4,145.31 : x
  2. Step 2: Convert to fraction form
    6,664.71/9,199.44 = 4,145.31/x
  3. Step 3: Cross multiply
    6,664.71x = 9,199.44 × 4,145.31
  4. Step 4: Simplify right side
    6,664.71x = 38,134,530.63
  5. Step 5: Solve for x
    x = 38,134,530.63/6,664.71
  6. Step 6: Final answer
    x = 5,721.86

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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.