Home / 6,372.40-8,795.04-4,012.72

Finding the Fourth Proportional to 6,372.40, 8,795.04 and 4,012.72

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Solution

The fourth proportional to 6,372.40, 8,795.04 and 4,012.72 is: 5,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.40 : 8,795.04 = 4,012.72 : x
  2. Step 2: Convert to fraction form
    6,372.40/8,795.04 = 4,012.72/x
  3. Step 3: Cross multiply
    6,372.40x = 8,795.04 × 4,012.72
  4. Step 4: Simplify right side
    6,372.40x = 35,292,032.91
  5. Step 5: Solve for x
    x = 35,292,032.91/6,372.40
  6. Step 6: Final answer
    x = 5,538.26

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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.