Home / 8,709.26-13,063.41-5,378.13

Finding the Fourth Proportional to 8,709.26, 13,063.41 and 5,378.13

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Solution

The fourth proportional to 8,709.26, 13,063.41 and 5,378.13 is: 8,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.26 : 13,063.41 = 5,378.13 : x
  2. Step 2: Convert to fraction form
    8,709.26/13,063.41 = 5,378.13/x
  3. Step 3: Cross multiply
    8,709.26x = 13,063.41 × 5,378.13
  4. Step 4: Simplify right side
    8,709.26x = 70,256,717.22
  5. Step 5: Solve for x
    x = 70,256,717.22/8,709.26
  6. Step 6: Final answer
    x = 8,066.90

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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.