Home / 4,612.94-6,919.32-1,325.96

Finding the Fourth Proportional to 4,612.94, 6,919.32 and 1,325.96

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Solution

The fourth proportional to 4,612.94, 6,919.32 and 1,325.96 is: 1,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.94 : 6,919.32 = 1,325.96 : x
  2. Step 2: Convert to fraction form
    4,612.94/6,919.32 = 1,325.96/x
  3. Step 3: Cross multiply
    4,612.94x = 6,919.32 × 1,325.96
  4. Step 4: Simplify right side
    4,612.94x = 9,174,741.55
  5. Step 5: Solve for x
    x = 9,174,741.55/4,612.94
  6. Step 6: Final answer
    x = 1,988.91

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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.