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Finding the Fourth Proportional to 4,995.94, 6,892.86 and 2,899.66

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Solution

The fourth proportional to 4,995.94, 6,892.86 and 2,899.66 is: 4,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.94 : 6,892.86 = 2,899.66 : x
  2. Step 2: Convert to fraction form
    4,995.94/6,892.86 = 2,899.66/x
  3. Step 3: Cross multiply
    4,995.94x = 6,892.86 × 2,899.66
  4. Step 4: Simplify right side
    4,995.94x = 19,986,950.43
  5. Step 5: Solve for x
    x = 19,986,950.43/4,995.94
  6. Step 6: Final answer
    x = 4,000.64

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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.