Home / 8,821.44-13,183.20-5,875.20

Finding the Fourth Proportional to 8,821.44, 13,183.20 and 5,875.20

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Solution

The fourth proportional to 8,821.44, 13,183.20 and 5,875.20 is: 8,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.44 : 13,183.20 = 5,875.20 : x
  2. Step 2: Convert to fraction form
    8,821.44/13,183.20 = 5,875.20/x
  3. Step 3: Cross multiply
    8,821.44x = 13,183.20 × 5,875.20
  4. Step 4: Simplify right side
    8,821.44x = 77,453,936.64
  5. Step 5: Solve for x
    x = 77,453,936.64/8,821.44
  6. Step 6: Final answer
    x = 8,780.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.