Home / 5,558.19-7,670.55-3,201.09

Finding the Fourth Proportional to 5,558.19, 7,670.55 and 3,201.09

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Solution

The fourth proportional to 5,558.19, 7,670.55 and 3,201.09 is: 4,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.19 : 7,670.55 = 3,201.09 : x
  2. Step 2: Convert to fraction form
    5,558.19/7,670.55 = 3,201.09/x
  3. Step 3: Cross multiply
    5,558.19x = 7,670.55 × 3,201.09
  4. Step 4: Simplify right side
    5,558.19x = 24,554,108.90
  5. Step 5: Solve for x
    x = 24,554,108.90/5,558.19
  6. Step 6: Final answer
    x = 4,417.64

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1.5x scale

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.