Home / 4,447.32-6,672.56-1,981.91

Finding the Fourth Proportional to 4,447.32, 6,672.56 and 1,981.91

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Solution

The fourth proportional to 4,447.32, 6,672.56 and 1,981.91 is: 2,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.32 : 6,672.56 = 1,981.91 : x
  2. Step 2: Convert to fraction form
    4,447.32/6,672.56 = 1,981.91/x
  3. Step 3: Cross multiply
    4,447.32x = 6,672.56 × 1,981.91
  4. Step 4: Simplify right side
    4,447.32x = 13,224,370.12
  5. Step 5: Solve for x
    x = 13,224,370.12/4,447.32
  6. Step 6: Final answer
    x = 2,973.56

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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.