Home / 4,621.32-6,936.10-2,157.50

Finding the Fourth Proportional to 4,621.32, 6,936.10 and 2,157.50

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Solution

The fourth proportional to 4,621.32, 6,936.10 and 2,157.50 is: 3,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.32 : 6,936.10 = 2,157.50 : x
  2. Step 2: Convert to fraction form
    4,621.32/6,936.10 = 2,157.50/x
  3. Step 3: Cross multiply
    4,621.32x = 6,936.10 × 2,157.50
  4. Step 4: Simplify right side
    4,621.32x = 14,964,647.70
  5. Step 5: Solve for x
    x = 14,964,647.70/4,621.32
  6. Step 6: Final answer
    x = 3,238.18

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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.