Home / 7,219.11-10,830.02-2,287.43

Finding the Fourth Proportional to 7,219.11, 10,830.02 and 2,287.43

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Solution

The fourth proportional to 7,219.11, 10,830.02 and 2,287.43 is: 3,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.11 : 10,830.02 = 2,287.43 : x
  2. Step 2: Convert to fraction form
    7,219.11/10,830.02 = 2,287.43/x
  3. Step 3: Cross multiply
    7,219.11x = 10,830.02 × 2,287.43
  4. Step 4: Simplify right side
    7,219.11x = 24,772,847.06
  5. Step 5: Solve for x
    x = 24,772,847.06/7,219.11
  6. Step 6: Final answer
    x = 3,431.57

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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.