Home / 4,718.91-6,511.15-2,728.74

Finding the Fourth Proportional to 4,718.91, 6,511.15 and 2,728.74

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Solution

The fourth proportional to 4,718.91, 6,511.15 and 2,728.74 is: 3,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.91 : 6,511.15 = 2,728.74 : x
  2. Step 2: Convert to fraction form
    4,718.91/6,511.15 = 2,728.74/x
  3. Step 3: Cross multiply
    4,718.91x = 6,511.15 × 2,728.74
  4. Step 4: Simplify right side
    4,718.91x = 17,767,235.45
  5. Step 5: Solve for x
    x = 17,767,235.45/4,718.91
  6. Step 6: Final answer
    x = 3,765.11

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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.