Home / 5,977.12-8,962.88-3,203.28

Finding the Fourth Proportional to 5,977.12, 8,962.88 and 3,203.28

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Solution

The fourth proportional to 5,977.12, 8,962.88 and 3,203.28 is: 4,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.12 : 8,962.88 = 3,203.28 : x
  2. Step 2: Convert to fraction form
    5,977.12/8,962.88 = 3,203.28/x
  3. Step 3: Cross multiply
    5,977.12x = 8,962.88 × 3,203.28
  4. Step 4: Simplify right side
    5,977.12x = 28,710,614.25
  5. Step 5: Solve for x
    x = 28,710,614.25/5,977.12
  6. Step 6: Final answer
    x = 4,803.42

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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.