Home / 8,861.07-13,265.86-5,151.99

Finding the Fourth Proportional to 8,861.07, 13,265.86 and 5,151.99

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Solution

The fourth proportional to 8,861.07, 13,265.86 and 5,151.99 is: 7,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.07 : 13,265.86 = 5,151.99 : x
  2. Step 2: Convert to fraction form
    8,861.07/13,265.86 = 5,151.99/x
  3. Step 3: Cross multiply
    8,861.07x = 13,265.86 × 5,151.99
  4. Step 4: Simplify right side
    8,861.07x = 68,345,578.06
  5. Step 5: Solve for x
    x = 68,345,578.06/8,861.07
  6. Step 6: Final answer
    x = 7,713.02

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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.