Home / 4,890.78-6,747.09-2,901.42

Finding the Fourth Proportional to 4,890.78, 6,747.09 and 2,901.42

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Solution

The fourth proportional to 4,890.78, 6,747.09 and 2,901.42 is: 4,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.78 : 6,747.09 = 2,901.42 : x
  2. Step 2: Convert to fraction form
    4,890.78/6,747.09 = 2,901.42/x
  3. Step 3: Cross multiply
    4,890.78x = 6,747.09 × 2,901.42
  4. Step 4: Simplify right side
    4,890.78x = 19,576,141.87
  5. Step 5: Solve for x
    x = 19,576,141.87/4,890.78
  6. Step 6: Final answer
    x = 4,002.66

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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.