Home / 5,027.84-7,539.20-2,718.72

Finding the Fourth Proportional to 5,027.84, 7,539.20 and 2,718.72

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Solution

The fourth proportional to 5,027.84, 7,539.20 and 2,718.72 is: 4,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.84 : 7,539.20 = 2,718.72 : x
  2. Step 2: Convert to fraction form
    5,027.84/7,539.20 = 2,718.72/x
  3. Step 3: Cross multiply
    5,027.84x = 7,539.20 × 2,718.72
  4. Step 4: Simplify right side
    5,027.84x = 20,496,973.82
  5. Step 5: Solve for x
    x = 20,496,973.82/5,027.84
  6. Step 6: Final answer
    x = 4,076.70

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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.