Home / 5,053.70-6,974.34-2,815.60

Finding the Fourth Proportional to 5,053.70, 6,974.34 and 2,815.60

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Solution

The fourth proportional to 5,053.70, 6,974.34 and 2,815.60 is: 3,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.70 : 6,974.34 = 2,815.60 : x
  2. Step 2: Convert to fraction form
    5,053.70/6,974.34 = 2,815.60/x
  3. Step 3: Cross multiply
    5,053.70x = 6,974.34 × 2,815.60
  4. Step 4: Simplify right side
    5,053.70x = 19,636,951.70
  5. Step 5: Solve for x
    x = 19,636,951.70/5,053.70
  6. Step 6: Final answer
    x = 3,885.66

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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.