Home / 4,992.50-6,889.78-2,754.40

Finding the Fourth Proportional to 4,992.50, 6,889.78 and 2,754.40

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Solution

The fourth proportional to 4,992.50, 6,889.78 and 2,754.40 is: 3,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.50 : 6,889.78 = 2,754.40 : x
  2. Step 2: Convert to fraction form
    4,992.50/6,889.78 = 2,754.40/x
  3. Step 3: Cross multiply
    4,992.50x = 6,889.78 × 2,754.40
  4. Step 4: Simplify right side
    4,992.50x = 18,977,196.26
  5. Step 5: Solve for x
    x = 18,977,196.26/4,992.50
  6. Step 6: Final answer
    x = 3,801.14

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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.