Home / 4,875.64-6,725.49-2,988.07

Finding the Fourth Proportional to 4,875.64, 6,725.49 and 2,988.07

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Solution

The fourth proportional to 4,875.64, 6,725.49 and 2,988.07 is: 4,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.64 : 6,725.49 = 2,988.07 : x
  2. Step 2: Convert to fraction form
    4,875.64/6,725.49 = 2,988.07/x
  3. Step 3: Cross multiply
    4,875.64x = 6,725.49 × 2,988.07
  4. Step 4: Simplify right side
    4,875.64x = 20,096,234.90
  5. Step 5: Solve for x
    x = 20,096,234.90/4,875.64
  6. Step 6: Final answer
    x = 4,121.76

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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.