Home / 4,827.20-7,238.74-2,748.18

Finding the Fourth Proportional to 4,827.20, 7,238.74 and 2,748.18

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Solution

The fourth proportional to 4,827.20, 7,238.74 and 2,748.18 is: 4,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.20 : 7,238.74 = 2,748.18 : x
  2. Step 2: Convert to fraction form
    4,827.20/7,238.74 = 2,748.18/x
  3. Step 3: Cross multiply
    4,827.20x = 7,238.74 × 2,748.18
  4. Step 4: Simplify right side
    4,827.20x = 19,893,360.49
  5. Step 5: Solve for x
    x = 19,893,360.49/4,827.20
  6. Step 6: Final answer
    x = 4,121.10

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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.