Home / 6,672.32-10,009.89-1,992.69

Finding the Fourth Proportional to 6,672.32, 10,009.89 and 1,992.69

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Solution

The fourth proportional to 6,672.32, 10,009.89 and 1,992.69 is: 2,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.32 : 10,009.89 = 1,992.69 : x
  2. Step 2: Convert to fraction form
    6,672.32/10,009.89 = 1,992.69/x
  3. Step 3: Cross multiply
    6,672.32x = 10,009.89 × 1,992.69
  4. Step 4: Simplify right side
    6,672.32x = 19,946,607.70
  5. Step 5: Solve for x
    x = 19,946,607.70/6,672.32
  6. Step 6: Final answer
    x = 2,989.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.