Home / 5,003.80-6,904.91-2,765.70

Finding the Fourth Proportional to 5,003.80, 6,904.91 and 2,765.70

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Solution

The fourth proportional to 5,003.80, 6,904.91 and 2,765.70 is: 3,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.80 : 6,904.91 = 2,765.70 : x
  2. Step 2: Convert to fraction form
    5,003.80/6,904.91 = 2,765.70/x
  3. Step 3: Cross multiply
    5,003.80x = 6,904.91 × 2,765.70
  4. Step 4: Simplify right side
    5,003.80x = 19,096,916.50
  5. Step 5: Solve for x
    x = 19,096,916.50/5,003.80
  6. Step 6: Final answer
    x = 3,816.48

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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.