Home / 8,368.30-12,551.77-2,821.53

Finding the Fourth Proportional to 8,368.30, 12,551.77 and 2,821.53

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Solution

The fourth proportional to 8,368.30, 12,551.77 and 2,821.53 is: 4,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.30 : 12,551.77 = 2,821.53 : x
  2. Step 2: Convert to fraction form
    8,368.30/12,551.77 = 2,821.53/x
  3. Step 3: Cross multiply
    8,368.30x = 12,551.77 × 2,821.53
  4. Step 4: Simplify right side
    8,368.30x = 35,415,132.85
  5. Step 5: Solve for x
    x = 35,415,132.85/8,368.30
  6. Step 6: Final answer
    x = 4,232.06

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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.