Home / 5,631.66-7,771.95-3,394.26

Finding the Fourth Proportional to 5,631.66, 7,771.95 and 3,394.26

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Solution

The fourth proportional to 5,631.66, 7,771.95 and 3,394.26 is: 4,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.66 : 7,771.95 = 3,394.26 : x
  2. Step 2: Convert to fraction form
    5,631.66/7,771.95 = 3,394.26/x
  3. Step 3: Cross multiply
    5,631.66x = 7,771.95 × 3,394.26
  4. Step 4: Simplify right side
    5,631.66x = 26,380,019.01
  5. Step 5: Solve for x
    x = 26,380,019.01/5,631.66
  6. Step 6: Final answer
    x = 4,684.24

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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.