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Finding the Fourth Proportional to 5,292.76, 7,934.47 and 2,003.45

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Solution

The fourth proportional to 5,292.76, 7,934.47 and 2,003.45 is: 3,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.76 : 7,934.47 = 2,003.45 : x
  2. Step 2: Convert to fraction form
    5,292.76/7,934.47 = 2,003.45/x
  3. Step 3: Cross multiply
    5,292.76x = 7,934.47 × 2,003.45
  4. Step 4: Simplify right side
    5,292.76x = 15,896,313.92
  5. Step 5: Solve for x
    x = 15,896,313.92/5,292.76
  6. Step 6: Final answer
    x = 3,003.41

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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.