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Finding the Fourth Proportional to 5,335.96, 7,364.10 and 2,978.32

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Solution

The fourth proportional to 5,335.96, 7,364.10 and 2,978.32 is: 4,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.96 : 7,364.10 = 2,978.32 : x
  2. Step 2: Convert to fraction form
    5,335.96/7,364.10 = 2,978.32/x
  3. Step 3: Cross multiply
    5,335.96x = 7,364.10 × 2,978.32
  4. Step 4: Simplify right side
    5,335.96x = 21,932,646.31
  5. Step 5: Solve for x
    x = 21,932,646.31/5,335.96
  6. Step 6: Final answer
    x = 4,110.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.