Home / 5,345.01-7,374.86-3,219.97

Finding the Fourth Proportional to 5,345.01, 7,374.86 and 3,219.97

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Solution

The fourth proportional to 5,345.01, 7,374.86 and 3,219.97 is: 4,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.01 : 7,374.86 = 3,219.97 : x
  2. Step 2: Convert to fraction form
    5,345.01/7,374.86 = 3,219.97/x
  3. Step 3: Cross multiply
    5,345.01x = 7,374.86 × 3,219.97
  4. Step 4: Simplify right side
    5,345.01x = 23,746,827.95
  5. Step 5: Solve for x
    x = 23,746,827.95/5,345.01
  6. Step 6: Final answer
    x = 4,442.80

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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.