Home / 5,184.47-7,777.55-1,902.17

Finding the Fourth Proportional to 5,184.47, 7,777.55 and 1,902.17

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Solution

The fourth proportional to 5,184.47, 7,777.55 and 1,902.17 is: 2,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.47 : 7,777.55 = 1,902.17 : x
  2. Step 2: Convert to fraction form
    5,184.47/7,777.55 = 1,902.17/x
  3. Step 3: Cross multiply
    5,184.47x = 7,777.55 × 1,902.17
  4. Step 4: Simplify right side
    5,184.47x = 14,794,188.15
  5. Step 5: Solve for x
    x = 14,794,188.15/5,184.47
  6. Step 6: Final answer
    x = 2,853.56

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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.