Home / 4,924.79-7,381.27-2,840.46

Finding the Fourth Proportional to 4,924.79, 7,381.27 and 2,840.46

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Solution

The fourth proportional to 4,924.79, 7,381.27 and 2,840.46 is: 4,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.79 : 7,381.27 = 2,840.46 : x
  2. Step 2: Convert to fraction form
    4,924.79/7,381.27 = 2,840.46/x
  3. Step 3: Cross multiply
    4,924.79x = 7,381.27 × 2,840.46
  4. Step 4: Simplify right side
    4,924.79x = 20,966,202.18
  5. Step 5: Solve for x
    x = 20,966,202.18/4,924.79
  6. Step 6: Final answer
    x = 4,257.28

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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.