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Finding the Fourth Proportional to 4,718.76, 6,510.27 and 2,728.28

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Solution

The fourth proportional to 4,718.76, 6,510.27 and 2,728.28 is: 3,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.76 : 6,510.27 = 2,728.28 : x
  2. Step 2: Convert to fraction form
    4,718.76/6,510.27 = 2,728.28/x
  3. Step 3: Cross multiply
    4,718.76x = 6,510.27 × 2,728.28
  4. Step 4: Simplify right side
    4,718.76x = 17,761,865.94
  5. Step 5: Solve for x
    x = 17,761,865.94/4,718.76
  6. Step 6: Final answer
    x = 3,764.10

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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.