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Finding the Fourth Proportional to 6,707.52, 10,045.44 and 3,928.32

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Solution

The fourth proportional to 6,707.52, 10,045.44 and 3,928.32 is: 5,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.52 : 10,045.44 = 3,928.32 : x
  2. Step 2: Convert to fraction form
    6,707.52/10,045.44 = 3,928.32/x
  3. Step 3: Cross multiply
    6,707.52x = 10,045.44 × 3,928.32
  4. Step 4: Simplify right side
    6,707.52x = 39,461,702.86
  5. Step 5: Solve for x
    x = 39,461,702.86/6,707.52
  6. Step 6: Final answer
    x = 5,883.20

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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.