Home / 7,539.55-11,304.77-3,378.79

Finding the Fourth Proportional to 7,539.55, 11,304.77 and 3,378.79

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Solution

The fourth proportional to 7,539.55, 11,304.77 and 3,378.79 is: 5,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.55 : 11,304.77 = 3,378.79 : x
  2. Step 2: Convert to fraction form
    7,539.55/11,304.77 = 3,378.79/x
  3. Step 3: Cross multiply
    7,539.55x = 11,304.77 × 3,378.79
  4. Step 4: Simplify right side
    7,539.55x = 38,196,426.93
  5. Step 5: Solve for x
    x = 38,196,426.93/7,539.55
  6. Step 6: Final answer
    x = 5,066.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.