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Finding the Fourth Proportional to 5,000.43, 6,899.88 and 2,846.79

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Solution

The fourth proportional to 5,000.43, 6,899.88 and 2,846.79 is: 3,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.43 : 6,899.88 = 2,846.79 : x
  2. Step 2: Convert to fraction form
    5,000.43/6,899.88 = 2,846.79/x
  3. Step 3: Cross multiply
    5,000.43x = 6,899.88 × 2,846.79
  4. Step 4: Simplify right side
    5,000.43x = 19,642,509.39
  5. Step 5: Solve for x
    x = 19,642,509.39/5,000.43
  6. Step 6: Final answer
    x = 3,928.16

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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.