Home / 4,875.18-6,728.46-2,886.38

Finding the Fourth Proportional to 4,875.18, 6,728.46 and 2,886.38

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Solution

The fourth proportional to 4,875.18, 6,728.46 and 2,886.38 is: 3,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.18 : 6,728.46 = 2,886.38 : x
  2. Step 2: Convert to fraction form
    4,875.18/6,728.46 = 2,886.38/x
  3. Step 3: Cross multiply
    4,875.18x = 6,728.46 × 2,886.38
  4. Step 4: Simplify right side
    4,875.18x = 19,420,858.73
  5. Step 5: Solve for x
    x = 19,420,858.73/4,875.18
  6. Step 6: Final answer
    x = 3,983.62

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Half scale
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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.