Home / 5,003.90-6,904.86-2,765.66

Finding the Fourth Proportional to 5,003.90, 6,904.86 and 2,765.66

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Solution

The fourth proportional to 5,003.90, 6,904.86 and 2,765.66 is: 3,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.90 : 6,904.86 = 2,765.66 : x
  2. Step 2: Convert to fraction form
    5,003.90/6,904.86 = 2,765.66/x
  3. Step 3: Cross multiply
    5,003.90x = 6,904.86 × 2,765.66
  4. Step 4: Simplify right side
    5,003.90x = 19,096,495.11
  5. Step 5: Solve for x
    x = 19,096,495.11/5,003.90
  6. Step 6: Final answer
    x = 3,816.32

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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.