Home / 7,280.67-10,919.61-2,349.12

Finding the Fourth Proportional to 7,280.67, 10,919.61 and 2,349.12

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Solution

The fourth proportional to 7,280.67, 10,919.61 and 2,349.12 is: 3,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.67 : 10,919.61 = 2,349.12 : x
  2. Step 2: Convert to fraction form
    7,280.67/10,919.61 = 2,349.12/x
  3. Step 3: Cross multiply
    7,280.67x = 10,919.61 × 2,349.12
  4. Step 4: Simplify right side
    7,280.67x = 25,651,474.24
  5. Step 5: Solve for x
    x = 25,651,474.24/7,280.67
  6. Step 6: Final answer
    x = 3,523.23

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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.