Home / 4,429.08-6,639.85-1,962.55

Finding the Fourth Proportional to 4,429.08, 6,639.85 and 1,962.55

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Solution

The fourth proportional to 4,429.08, 6,639.85 and 1,962.55 is: 2,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.08 : 6,639.85 = 1,962.55 : x
  2. Step 2: Convert to fraction form
    4,429.08/6,639.85 = 1,962.55/x
  3. Step 3: Cross multiply
    4,429.08x = 6,639.85 × 1,962.55
  4. Step 4: Simplify right side
    4,429.08x = 13,031,061.53
  5. Step 5: Solve for x
    x = 13,031,061.53/4,429.08
  6. Step 6: Final answer
    x = 2,942.16

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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.