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Finding the Fourth Proportional to 4,759.59, 6,563.87 and 4,087.17

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Solution

The fourth proportional to 4,759.59, 6,563.87 and 4,087.17 is: 5,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.59 : 6,563.87 = 4,087.17 : x
  2. Step 2: Convert to fraction form
    4,759.59/6,563.87 = 4,087.17/x
  3. Step 3: Cross multiply
    4,759.59x = 6,563.87 × 4,087.17
  4. Step 4: Simplify right side
    4,759.59x = 26,827,652.55
  5. Step 5: Solve for x
    x = 26,827,652.55/4,759.59
  6. Step 6: Final answer
    x = 5,636.55

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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.