Home / 5,280.69-7,914.89-2,318.22

Finding the Fourth Proportional to 5,280.69, 7,914.89 and 2,318.22

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Solution

The fourth proportional to 5,280.69, 7,914.89 and 2,318.22 is: 3,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.69 : 7,914.89 = 2,318.22 : x
  2. Step 2: Convert to fraction form
    5,280.69/7,914.89 = 2,318.22/x
  3. Step 3: Cross multiply
    5,280.69x = 7,914.89 × 2,318.22
  4. Step 4: Simplify right side
    5,280.69x = 18,348,455.57
  5. Step 5: Solve for x
    x = 18,348,455.57/5,280.69
  6. Step 6: Final answer
    x = 3,474.63

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1.5x scale

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.