Home / 7,451.13-11,178.72-6,635.07

Finding the Fourth Proportional to 7,451.13, 11,178.72 and 6,635.07

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Solution

The fourth proportional to 7,451.13, 11,178.72 and 6,635.07 is: 9,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.13 : 11,178.72 = 6,635.07 : x
  2. Step 2: Convert to fraction form
    7,451.13/11,178.72 = 6,635.07/x
  3. Step 3: Cross multiply
    7,451.13x = 11,178.72 × 6,635.07
  4. Step 4: Simplify right side
    7,451.13x = 74,171,589.71
  5. Step 5: Solve for x
    x = 74,171,589.71/7,451.13
  6. Step 6: Final answer
    x = 9,954.41

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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.