Home / 8,987.37-13,482.20-4,821.68

Finding the Fourth Proportional to 8,987.37, 13,482.20 and 4,821.68

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Solution

The fourth proportional to 8,987.37, 13,482.20 and 4,821.68 is: 7,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.37 : 13,482.20 = 4,821.68 : x
  2. Step 2: Convert to fraction form
    8,987.37/13,482.20 = 4,821.68/x
  3. Step 3: Cross multiply
    8,987.37x = 13,482.20 × 4,821.68
  4. Step 4: Simplify right side
    8,987.37x = 65,006,796.90
  5. Step 5: Solve for x
    x = 65,006,796.90/8,987.37
  6. Step 6: Final answer
    x = 7,233.13

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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.