Home / 6,719.18-9,270-4,065.62

Finding the Fourth Proportional to 6,719.18, 9,270 and 4,065.62

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Solution

The fourth proportional to 6,719.18, 9,270 and 4,065.62 is: 5,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.18 : 9,270 = 4,065.62 : x
  2. Step 2: Convert to fraction form
    6,719.18/9,270 = 4,065.62/x
  3. Step 3: Cross multiply
    6,719.18x = 9,270 × 4,065.62
  4. Step 4: Simplify right side
    6,719.18x = 37,688,251.05
  5. Step 5: Solve for x
    x = 37,688,251.05/6,719.18
  6. Step 6: Final answer
    x = 5,609.06

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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.