Home / 5,320.84-7,983.96-2,398.49

Finding the Fourth Proportional to 5,320.84, 7,983.96 and 2,398.49

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Solution

The fourth proportional to 5,320.84, 7,983.96 and 2,398.49 is: 3,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.84 : 7,983.96 = 2,398.49 : x
  2. Step 2: Convert to fraction form
    5,320.84/7,983.96 = 2,398.49/x
  3. Step 3: Cross multiply
    5,320.84x = 7,983.96 × 2,398.49
  4. Step 4: Simplify right side
    5,320.84x = 19,149,436.23
  5. Step 5: Solve for x
    x = 19,149,436.23/5,320.84
  6. Step 6: Final answer
    x = 3,598.95

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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.