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Finding the Fourth Proportional to 4,899.56, 6,768.99 and 4,862.66

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Solution

The fourth proportional to 4,899.56, 6,768.99 and 4,862.66 is: 6,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.56 : 6,768.99 = 4,862.66 : x
  2. Step 2: Convert to fraction form
    4,899.56/6,768.99 = 4,862.66/x
  3. Step 3: Cross multiply
    4,899.56x = 6,768.99 × 4,862.66
  4. Step 4: Simplify right side
    4,899.56x = 32,915,295.78
  5. Step 5: Solve for x
    x = 32,915,295.78/4,899.56
  6. Step 6: Final answer
    x = 6,718.01

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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.