Home / 5,558.63-7,670.90-3,200.72

Finding the Fourth Proportional to 5,558.63, 7,670.90 and 3,200.72

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Solution

The fourth proportional to 5,558.63, 7,670.90 and 3,200.72 is: 4,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.63 : 7,670.90 = 3,200.72 : x
  2. Step 2: Convert to fraction form
    5,558.63/7,670.90 = 3,200.72/x
  3. Step 3: Cross multiply
    5,558.63x = 7,670.90 × 3,200.72
  4. Step 4: Simplify right side
    5,558.63x = 24,552,372.70
  5. Step 5: Solve for x
    x = 24,552,372.70/5,558.63
  6. Step 6: Final answer
    x = 4,416.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.