Home / 5,184.56-7,777.46-1,721.81

Finding the Fourth Proportional to 5,184.56, 7,777.46 and 1,721.81

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Solution

The fourth proportional to 5,184.56, 7,777.46 and 1,721.81 is: 2,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.56 : 7,777.46 = 1,721.81 : x
  2. Step 2: Convert to fraction form
    5,184.56/7,777.46 = 1,721.81/x
  3. Step 3: Cross multiply
    5,184.56x = 7,777.46 × 1,721.81
  4. Step 4: Simplify right side
    5,184.56x = 13,391,332.15
  5. Step 5: Solve for x
    x = 13,391,332.15/5,184.56
  6. Step 6: Final answer
    x = 2,582.92

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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.