Home / 5,053.40-6,972.77-2,815.22

Finding the Fourth Proportional to 5,053.40, 6,972.77 and 2,815.22

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Solution

The fourth proportional to 5,053.40, 6,972.77 and 2,815.22 is: 3,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.40 : 6,972.77 = 2,815.22 : x
  2. Step 2: Convert to fraction form
    5,053.40/6,972.77 = 2,815.22/x
  3. Step 3: Cross multiply
    5,053.40x = 6,972.77 × 2,815.22
  4. Step 4: Simplify right side
    5,053.40x = 19,629,867.48
  5. Step 5: Solve for x
    x = 19,629,867.48/5,053.40
  6. Step 6: Final answer
    x = 3,884.49

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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.