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Finding the Fourth Proportional to 4,913.96, 6,773.58 and 3,339.32

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Solution

The fourth proportional to 4,913.96, 6,773.58 and 3,339.32 is: 4,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.96 : 6,773.58 = 3,339.32 : x
  2. Step 2: Convert to fraction form
    4,913.96/6,773.58 = 3,339.32/x
  3. Step 3: Cross multiply
    4,913.96x = 6,773.58 × 3,339.32
  4. Step 4: Simplify right side
    4,913.96x = 22,619,151.17
  5. Step 5: Solve for x
    x = 22,619,151.17/4,913.96
  6. Step 6: Final answer
    x = 4,603.04

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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.