Home / 4,784.17-7,172.94-2,439.62

Finding the Fourth Proportional to 4,784.17, 7,172.94 and 2,439.62

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Solution

The fourth proportional to 4,784.17, 7,172.94 and 2,439.62 is: 3,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.17 : 7,172.94 = 2,439.62 : x
  2. Step 2: Convert to fraction form
    4,784.17/7,172.94 = 2,439.62/x
  3. Step 3: Cross multiply
    4,784.17x = 7,172.94 × 2,439.62
  4. Step 4: Simplify right side
    4,784.17x = 17,499,247.88
  5. Step 5: Solve for x
    x = 17,499,247.88/4,784.17
  6. Step 6: Final answer
    x = 3,657.74

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1.5x scale

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.