Home / 6,122.59-9,180.14-3,345.40

Finding the Fourth Proportional to 6,122.59, 9,180.14 and 3,345.40

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Solution

The fourth proportional to 6,122.59, 9,180.14 and 3,345.40 is: 5,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.59 : 9,180.14 = 3,345.40 : x
  2. Step 2: Convert to fraction form
    6,122.59/9,180.14 = 3,345.40/x
  3. Step 3: Cross multiply
    6,122.59x = 9,180.14 × 3,345.40
  4. Step 4: Simplify right side
    6,122.59x = 30,711,235.10
  5. Step 5: Solve for x
    x = 30,711,235.10/6,122.59
  6. Step 6: Final answer
    x = 5,016.05

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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.