Home / 7,218.23-10,826.43-2,287.91

Finding the Fourth Proportional to 7,218.23, 10,826.43 and 2,287.91

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Solution

The fourth proportional to 7,218.23, 10,826.43 and 2,287.91 is: 3,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.23 : 10,826.43 = 2,287.91 : x
  2. Step 2: Convert to fraction form
    7,218.23/10,826.43 = 2,287.91/x
  3. Step 3: Cross multiply
    7,218.23x = 10,826.43 × 2,287.91
  4. Step 4: Simplify right side
    7,218.23x = 24,769,915.95
  5. Step 5: Solve for x
    x = 24,769,915.95/7,218.23
  6. Step 6: Final answer
    x = 3,431.58

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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.