Home / 8,878.17-13,317.09-3,331.38

Finding the Fourth Proportional to 8,878.17, 13,317.09 and 3,331.38

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Solution

The fourth proportional to 8,878.17, 13,317.09 and 3,331.38 is: 4,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.17 : 13,317.09 = 3,331.38 : x
  2. Step 2: Convert to fraction form
    8,878.17/13,317.09 = 3,331.38/x
  3. Step 3: Cross multiply
    8,878.17x = 13,317.09 × 3,331.38
  4. Step 4: Simplify right side
    8,878.17x = 44,364,287.28
  5. Step 5: Solve for x
    x = 44,364,287.28/8,878.17
  6. Step 6: Final answer
    x = 4,997.01

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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.