Home / 4,102.17-6,154.78-2,459.89

Finding the Fourth Proportional to 4,102.17, 6,154.78 and 2,459.89

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Solution

The fourth proportional to 4,102.17, 6,154.78 and 2,459.89 is: 3,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.17 : 6,154.78 = 2,459.89 : x
  2. Step 2: Convert to fraction form
    4,102.17/6,154.78 = 2,459.89/x
  3. Step 3: Cross multiply
    4,102.17x = 6,154.78 × 2,459.89
  4. Step 4: Simplify right side
    4,102.17x = 15,140,081.77
  5. Step 5: Solve for x
    x = 15,140,081.77/4,102.17
  6. Step 6: Final answer
    x = 3,690.75

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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.