Home / 4,961.57-7,439.90-2,459.86

Finding the Fourth Proportional to 4,961.57, 7,439.90 and 2,459.86

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Solution

The fourth proportional to 4,961.57, 7,439.90 and 2,459.86 is: 3,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.57 : 7,439.90 = 2,459.86 : x
  2. Step 2: Convert to fraction form
    4,961.57/7,439.90 = 2,459.86/x
  3. Step 3: Cross multiply
    4,961.57x = 7,439.90 × 2,459.86
  4. Step 4: Simplify right side
    4,961.57x = 18,301,081.51
  5. Step 5: Solve for x
    x = 18,301,081.51/4,961.57
  6. Step 6: Final answer
    x = 3,688.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.