Home / 4,718.18-6,511.20-2,728.82

Finding the Fourth Proportional to 4,718.18, 6,511.20 and 2,728.82

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Solution

The fourth proportional to 4,718.18, 6,511.20 and 2,728.82 is: 3,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.18 : 6,511.20 = 2,728.82 : x
  2. Step 2: Convert to fraction form
    4,718.18/6,511.20 = 2,728.82/x
  3. Step 3: Cross multiply
    4,718.18x = 6,511.20 × 2,728.82
  4. Step 4: Simplify right side
    4,718.18x = 17,767,892.78
  5. Step 5: Solve for x
    x = 17,767,892.78/4,718.18
  6. Step 6: Final answer
    x = 3,765.84

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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.