Home / 8,884.31-13,317.21-3,617.06

Finding the Fourth Proportional to 8,884.31, 13,317.21 and 3,617.06

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Solution

The fourth proportional to 8,884.31, 13,317.21 and 3,617.06 is: 5,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.31 : 13,317.21 = 3,617.06 : x
  2. Step 2: Convert to fraction form
    8,884.31/13,317.21 = 3,617.06/x
  3. Step 3: Cross multiply
    8,884.31x = 13,317.21 × 3,617.06
  4. Step 4: Simplify right side
    8,884.31x = 48,169,081.02
  5. Step 5: Solve for x
    x = 48,169,081.02/8,884.31
  6. Step 6: Final answer
    x = 5,421.82

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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.