Home / 5,038.30-6,952.94-2,800.20

Finding the Fourth Proportional to 5,038.30, 6,952.94 and 2,800.20

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Solution

The fourth proportional to 5,038.30, 6,952.94 and 2,800.20 is: 3,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.30 : 6,952.94 = 2,800.20 : x
  2. Step 2: Convert to fraction form
    5,038.30/6,952.94 = 2,800.20/x
  3. Step 3: Cross multiply
    5,038.30x = 6,952.94 × 2,800.20
  4. Step 4: Simplify right side
    5,038.30x = 19,469,622.59
  5. Step 5: Solve for x
    x = 19,469,622.59/5,038.30
  6. Step 6: Final answer
    x = 3,864.32

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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.