Home / 4,862.88-6,710.40-2,767.20

Finding the Fourth Proportional to 4,862.88, 6,710.40 and 2,767.20

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Solution

The fourth proportional to 4,862.88, 6,710.40 and 2,767.20 is: 3,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.88 : 6,710.40 = 2,767.20 : x
  2. Step 2: Convert to fraction form
    4,862.88/6,710.40 = 2,767.20/x
  3. Step 3: Cross multiply
    4,862.88x = 6,710.40 × 2,767.20
  4. Step 4: Simplify right side
    4,862.88x = 18,569,018.88
  5. Step 5: Solve for x
    x = 18,569,018.88/4,862.88
  6. Step 6: Final answer
    x = 3,818.52

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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.