Home / 7,505.15-11,257.73-1,958.49

Finding the Fourth Proportional to 7,505.15, 11,257.73 and 1,958.49

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Solution

The fourth proportional to 7,505.15, 11,257.73 and 1,958.49 is: 2,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.15 : 11,257.73 = 1,958.49 : x
  2. Step 2: Convert to fraction form
    7,505.15/11,257.73 = 1,958.49/x
  3. Step 3: Cross multiply
    7,505.15x = 11,257.73 × 1,958.49
  4. Step 4: Simplify right side
    7,505.15x = 22,048,151.63
  5. Step 5: Solve for x
    x = 22,048,151.63/7,505.15
  6. Step 6: Final answer
    x = 2,937.74

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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.