Home / 5,053.99-6,974.81-2,815.80

Finding the Fourth Proportional to 5,053.99, 6,974.81 and 2,815.80

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Solution

The fourth proportional to 5,053.99, 6,974.81 and 2,815.80 is: 3,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.99 : 6,974.81 = 2,815.80 : x
  2. Step 2: Convert to fraction form
    5,053.99/6,974.81 = 2,815.80/x
  3. Step 3: Cross multiply
    5,053.99x = 6,974.81 × 2,815.80
  4. Step 4: Simplify right side
    5,053.99x = 19,639,670.00
  5. Step 5: Solve for x
    x = 19,639,670.00/5,053.99
  6. Step 6: Final answer
    x = 3,885.97

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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.