Home / 8,515.08-11,747.34-5,859

Finding the Fourth Proportional to 8,515.08, 11,747.34 and 5,859

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Solution

The fourth proportional to 8,515.08, 11,747.34 and 5,859 is: 8,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.08 : 11,747.34 = 5,859 : x
  2. Step 2: Convert to fraction form
    8,515.08/11,747.34 = 5,859/x
  3. Step 3: Cross multiply
    8,515.08x = 11,747.34 × 5,859
  4. Step 4: Simplify right side
    8,515.08x = 68,827,665.06
  5. Step 5: Solve for x
    x = 68,827,665.06/8,515.08
  6. Step 6: Final answer
    x = 8,083.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.