Home / 5,634.96-7,771.30-3,643.57

Finding the Fourth Proportional to 5,634.96, 7,771.30 and 3,643.57

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Solution

The fourth proportional to 5,634.96, 7,771.30 and 3,643.57 is: 5,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.96 : 7,771.30 = 3,643.57 : x
  2. Step 2: Convert to fraction form
    5,634.96/7,771.30 = 3,643.57/x
  3. Step 3: Cross multiply
    5,634.96x = 7,771.30 × 3,643.57
  4. Step 4: Simplify right side
    5,634.96x = 28,315,275.54
  5. Step 5: Solve for x
    x = 28,315,275.54/5,634.96
  6. Step 6: Final answer
    x = 5,024.93

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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.