Home / 4,958.55-6,842.87-2,720.39

Finding the Fourth Proportional to 4,958.55, 6,842.87 and 2,720.39

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Solution

The fourth proportional to 4,958.55, 6,842.87 and 2,720.39 is: 3,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.55 : 6,842.87 = 2,720.39 : x
  2. Step 2: Convert to fraction form
    4,958.55/6,842.87 = 2,720.39/x
  3. Step 3: Cross multiply
    4,958.55x = 6,842.87 × 2,720.39
  4. Step 4: Simplify right side
    4,958.55x = 18,615,237.50
  5. Step 5: Solve for x
    x = 18,615,237.50/4,958.55
  6. Step 6: Final answer
    x = 3,754.17

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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.