Home / 8,722.17-13,083.71-2,879.24

Finding the Fourth Proportional to 8,722.17, 13,083.71 and 2,879.24

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Solution

The fourth proportional to 8,722.17, 13,083.71 and 2,879.24 is: 4,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.17 : 13,083.71 = 2,879.24 : x
  2. Step 2: Convert to fraction form
    8,722.17/13,083.71 = 2,879.24/x
  3. Step 3: Cross multiply
    8,722.17x = 13,083.71 × 2,879.24
  4. Step 4: Simplify right side
    8,722.17x = 37,671,141.18
  5. Step 5: Solve for x
    x = 37,671,141.18/8,722.17
  6. Step 6: Final answer
    x = 4,319.01

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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.