Home / 7,581.58-11,366.90-5,110.26

Finding the Fourth Proportional to 7,581.58, 11,366.90 and 5,110.26

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Solution

The fourth proportional to 7,581.58, 11,366.90 and 5,110.26 is: 7,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.58 : 11,366.90 = 5,110.26 : x
  2. Step 2: Convert to fraction form
    7,581.58/11,366.90 = 5,110.26/x
  3. Step 3: Cross multiply
    7,581.58x = 11,366.90 × 5,110.26
  4. Step 4: Simplify right side
    7,581.58x = 58,087,814.39
  5. Step 5: Solve for x
    x = 58,087,814.39/7,581.58
  6. Step 6: Final answer
    x = 7,661.70

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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.