Home / 8,486.53-11,718.85-5,305.26

Finding the Fourth Proportional to 8,486.53, 11,718.85 and 5,305.26

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Solution

The fourth proportional to 8,486.53, 11,718.85 and 5,305.26 is: 7,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.53 : 11,718.85 = 5,305.26 : x
  2. Step 2: Convert to fraction form
    8,486.53/11,718.85 = 5,305.26/x
  3. Step 3: Cross multiply
    8,486.53x = 11,718.85 × 5,305.26
  4. Step 4: Simplify right side
    8,486.53x = 62,171,519.62
  5. Step 5: Solve for x
    x = 62,171,519.62/8,486.53
  6. Step 6: Final answer
    x = 7,325.91

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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.