Home / 4,295.61-6,439.71-1,921.88

Finding the Fourth Proportional to 4,295.61, 6,439.71 and 1,921.88

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Solution

The fourth proportional to 4,295.61, 6,439.71 and 1,921.88 is: 2,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.61 : 6,439.71 = 1,921.88 : x
  2. Step 2: Convert to fraction form
    4,295.61/6,439.71 = 1,921.88/x
  3. Step 3: Cross multiply
    4,295.61x = 6,439.71 × 1,921.88
  4. Step 4: Simplify right side
    4,295.61x = 12,376,308.05
  5. Step 5: Solve for x
    x = 12,376,308.05/4,295.61
  6. Step 6: Final answer
    x = 2,881.15

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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.