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Finding the Fourth Proportional to 4,793.63, 6,614.61 and 2,777.01

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Solution

The fourth proportional to 4,793.63, 6,614.61 and 2,777.01 is: 3,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.63 : 6,614.61 = 2,777.01 : x
  2. Step 2: Convert to fraction form
    4,793.63/6,614.61 = 2,777.01/x
  3. Step 3: Cross multiply
    4,793.63x = 6,614.61 × 2,777.01
  4. Step 4: Simplify right side
    4,793.63x = 18,368,840.10
  5. Step 5: Solve for x
    x = 18,368,840.10/4,793.63
  6. Step 6: Final answer
    x = 3,831.93

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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.