Home / 8,919.16-13,384.44-6,285.04

Finding the Fourth Proportional to 8,919.16, 13,384.44 and 6,285.04

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Solution

The fourth proportional to 8,919.16, 13,384.44 and 6,285.04 is: 9,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.16 : 13,384.44 = 6,285.04 : x
  2. Step 2: Convert to fraction form
    8,919.16/13,384.44 = 6,285.04/x
  3. Step 3: Cross multiply
    8,919.16x = 13,384.44 × 6,285.04
  4. Step 4: Simplify right side
    8,919.16x = 84,121,740.78
  5. Step 5: Solve for x
    x = 84,121,740.78/8,919.16
  6. Step 6: Final answer
    x = 9,431.58

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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.