Home / 5,053.11-6,972.80-2,814.90

Finding the Fourth Proportional to 5,053.11, 6,972.80 and 2,814.90

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Solution

The fourth proportional to 5,053.11, 6,972.80 and 2,814.90 is: 3,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.11 : 6,972.80 = 2,814.90 : x
  2. Step 2: Convert to fraction form
    5,053.11/6,972.80 = 2,814.90/x
  3. Step 3: Cross multiply
    5,053.11x = 6,972.80 × 2,814.90
  4. Step 4: Simplify right side
    5,053.11x = 19,627,720.65
  5. Step 5: Solve for x
    x = 19,627,720.65/5,053.11
  6. Step 6: Final answer
    x = 3,884.29

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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.