Home / 4,293.90-6,443.73-1,520.55

Finding the Fourth Proportional to 4,293.90, 6,443.73 and 1,520.55

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Solution

The fourth proportional to 4,293.90, 6,443.73 and 1,520.55 is: 2,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.90 : 6,443.73 = 1,520.55 : x
  2. Step 2: Convert to fraction form
    4,293.90/6,443.73 = 1,520.55/x
  3. Step 3: Cross multiply
    4,293.90x = 6,443.73 × 1,520.55
  4. Step 4: Simplify right side
    4,293.90x = 9,798,013.65
  5. Step 5: Solve for x
    x = 9,798,013.65/4,293.90
  6. Step 6: Final answer
    x = 2,281.84

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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.