Home / 7,564.35-11,349.76-6,919.59

Finding the Fourth Proportional to 7,564.35, 11,349.76 and 6,919.59

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Solution

The fourth proportional to 7,564.35, 11,349.76 and 6,919.59 is: 10,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.35 : 11,349.76 = 6,919.59 : x
  2. Step 2: Convert to fraction form
    7,564.35/11,349.76 = 6,919.59/x
  3. Step 3: Cross multiply
    7,564.35x = 11,349.76 × 6,919.59
  4. Step 4: Simplify right side
    7,564.35x = 78,535,685.80
  5. Step 5: Solve for x
    x = 78,535,685.80/7,564.35
  6. Step 6: Final answer
    x = 10,382.34

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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.