Home / 5,527.85-7,631.05-3,539.57

Finding the Fourth Proportional to 5,527.85, 7,631.05 and 3,539.57

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Solution

The fourth proportional to 5,527.85, 7,631.05 and 3,539.57 is: 4,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.85 : 7,631.05 = 3,539.57 : x
  2. Step 2: Convert to fraction form
    5,527.85/7,631.05 = 3,539.57/x
  3. Step 3: Cross multiply
    5,527.85x = 7,631.05 × 3,539.57
  4. Step 4: Simplify right side
    5,527.85x = 27,010,588.64
  5. Step 5: Solve for x
    x = 27,010,588.64/5,527.85
  6. Step 6: Final answer
    x = 4,886.27

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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.