Home / 4,897.28-6,758.57-2,772.81

Finding the Fourth Proportional to 4,897.28, 6,758.57 and 2,772.81

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Solution

The fourth proportional to 4,897.28, 6,758.57 and 2,772.81 is: 3,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.28 : 6,758.57 = 2,772.81 : x
  2. Step 2: Convert to fraction form
    4,897.28/6,758.57 = 2,772.81/x
  3. Step 3: Cross multiply
    4,897.28x = 6,758.57 × 2,772.81
  4. Step 4: Simplify right side
    4,897.28x = 18,740,216.62
  5. Step 5: Solve for x
    x = 18,740,216.62/4,897.28
  6. Step 6: Final answer
    x = 3,826.66

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1.5x scale

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.