Home / 7,542.10-11,313.69-2,276.70

Finding the Fourth Proportional to 7,542.10, 11,313.69 and 2,276.70

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Solution

The fourth proportional to 7,542.10, 11,313.69 and 2,276.70 is: 3,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.10 : 11,313.69 = 2,276.70 : x
  2. Step 2: Convert to fraction form
    7,542.10/11,313.69 = 2,276.70/x
  3. Step 3: Cross multiply
    7,542.10x = 11,313.69 × 2,276.70
  4. Step 4: Simplify right side
    7,542.10x = 25,757,878.02
  5. Step 5: Solve for x
    x = 25,757,878.02/7,542.10
  6. Step 6: Final answer
    x = 3,415.21

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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.