Home / 4,293.32-6,440.06-1,520.04

Finding the Fourth Proportional to 4,293.32, 6,440.06 and 1,520.04

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Solution

The fourth proportional to 4,293.32, 6,440.06 and 1,520.04 is: 2,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.32 : 6,440.06 = 1,520.04 : x
  2. Step 2: Convert to fraction form
    4,293.32/6,440.06 = 1,520.04/x
  3. Step 3: Cross multiply
    4,293.32x = 6,440.06 × 1,520.04
  4. Step 4: Simplify right side
    4,293.32x = 9,789,148.80
  5. Step 5: Solve for x
    x = 9,789,148.80/4,293.32
  6. Step 6: Final answer
    x = 2,280.09

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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.