Home / 5,384.91-7,431.16-2,994.80

Finding the Fourth Proportional to 5,384.91, 7,431.16 and 2,994.80

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Solution

The fourth proportional to 5,384.91, 7,431.16 and 2,994.80 is: 4,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.91 : 7,431.16 = 2,994.80 : x
  2. Step 2: Convert to fraction form
    5,384.91/7,431.16 = 2,994.80/x
  3. Step 3: Cross multiply
    5,384.91x = 7,431.16 × 2,994.80
  4. Step 4: Simplify right side
    5,384.91x = 22,254,837.97
  5. Step 5: Solve for x
    x = 22,254,837.97/5,384.91
  6. Step 6: Final answer
    x = 4,132.82

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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.