Home / 6,633.66-9,150.65-4,145.34

Finding the Fourth Proportional to 6,633.66, 9,150.65 and 4,145.34

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Solution

The fourth proportional to 6,633.66, 9,150.65 and 4,145.34 is: 5,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.66 : 9,150.65 = 4,145.34 : x
  2. Step 2: Convert to fraction form
    6,633.66/9,150.65 = 4,145.34/x
  3. Step 3: Cross multiply
    6,633.66x = 9,150.65 × 4,145.34
  4. Step 4: Simplify right side
    6,633.66x = 37,932,607.92
  5. Step 5: Solve for x
    x = 37,932,607.92/6,633.66
  6. Step 6: Final answer
    x = 5,718.20

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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.