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Finding the Fourth Proportional to 4,718.08, 6,510.90 and 2,729.08

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Solution

The fourth proportional to 4,718.08, 6,510.90 and 2,729.08 is: 3,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.08 : 6,510.90 = 2,729.08 : x
  2. Step 2: Convert to fraction form
    4,718.08/6,510.90 = 2,729.08/x
  3. Step 3: Cross multiply
    4,718.08x = 6,510.90 × 2,729.08
  4. Step 4: Simplify right side
    4,718.08x = 17,768,766.97
  5. Step 5: Solve for x
    x = 17,768,766.97/4,718.08
  6. Step 6: Final answer
    x = 3,766.10

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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.