Home / 5,635.30-7,776.66-3,539.02

Finding the Fourth Proportional to 5,635.30, 7,776.66 and 3,539.02

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Solution

The fourth proportional to 5,635.30, 7,776.66 and 3,539.02 is: 4,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.30 : 7,776.66 = 3,539.02 : x
  2. Step 2: Convert to fraction form
    5,635.30/7,776.66 = 3,539.02/x
  3. Step 3: Cross multiply
    5,635.30x = 7,776.66 × 3,539.02
  4. Step 4: Simplify right side
    5,635.30x = 27,521,755.27
  5. Step 5: Solve for x
    x = 27,521,755.27/5,635.30
  6. Step 6: Final answer
    x = 4,883.81

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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.