Home / 7,451.69-11,165.23-5,255.81

Finding the Fourth Proportional to 7,451.69, 11,165.23 and 5,255.81

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Solution

The fourth proportional to 7,451.69, 11,165.23 and 5,255.81 is: 7,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.69 : 11,165.23 = 5,255.81 : x
  2. Step 2: Convert to fraction form
    7,451.69/11,165.23 = 5,255.81/x
  3. Step 3: Cross multiply
    7,451.69x = 11,165.23 × 5,255.81
  4. Step 4: Simplify right side
    7,451.69x = 58,682,327.49
  5. Step 5: Solve for x
    x = 58,682,327.49/7,451.69
  6. Step 6: Final answer
    x = 7,875.04

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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.