Home / 4,556.84-6,287.28-2,787.80

Finding the Fourth Proportional to 4,556.84, 6,287.28 and 2,787.80

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Solution

The fourth proportional to 4,556.84, 6,287.28 and 2,787.80 is: 3,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.84 : 6,287.28 = 2,787.80 : x
  2. Step 2: Convert to fraction form
    4,556.84/6,287.28 = 2,787.80/x
  3. Step 3: Cross multiply
    4,556.84x = 6,287.28 × 2,787.80
  4. Step 4: Simplify right side
    4,556.84x = 17,527,679.18
  5. Step 5: Solve for x
    x = 17,527,679.18/4,556.84
  6. Step 6: Final answer
    x = 3,846.45

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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.