Home / 5,558.19-7,670.19-3,320.57

Finding the Fourth Proportional to 5,558.19, 7,670.19 and 3,320.57

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Solution

The fourth proportional to 5,558.19, 7,670.19 and 3,320.57 is: 4,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.19 : 7,670.19 = 3,320.57 : x
  2. Step 2: Convert to fraction form
    5,558.19/7,670.19 = 3,320.57/x
  3. Step 3: Cross multiply
    5,558.19x = 7,670.19 × 3,320.57
  4. Step 4: Simplify right side
    5,558.19x = 25,469,402.81
  5. Step 5: Solve for x
    x = 25,469,402.81/5,558.19
  6. Step 6: Final answer
    x = 4,582.32

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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.