Home / 4,826.91-7,240.23-1,540.20

Finding the Fourth Proportional to 4,826.91, 7,240.23 and 1,540.20

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Solution

The fourth proportional to 4,826.91, 7,240.23 and 1,540.20 is: 2,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.91 : 7,240.23 = 1,540.20 : x
  2. Step 2: Convert to fraction form
    4,826.91/7,240.23 = 1,540.20/x
  3. Step 3: Cross multiply
    4,826.91x = 7,240.23 × 1,540.20
  4. Step 4: Simplify right side
    4,826.91x = 11,151,402.25
  5. Step 5: Solve for x
    x = 11,151,402.25/4,826.91
  6. Step 6: Final answer
    x = 2,310.26

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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.