Home / 4,302.24-6,438.62-2,987.48

Finding the Fourth Proportional to 4,302.24, 6,438.62 and 2,987.48

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Solution

The fourth proportional to 4,302.24, 6,438.62 and 2,987.48 is: 4,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.24 : 6,438.62 = 2,987.48 : x
  2. Step 2: Convert to fraction form
    4,302.24/6,438.62 = 2,987.48/x
  3. Step 3: Cross multiply
    4,302.24x = 6,438.62 × 2,987.48
  4. Step 4: Simplify right side
    4,302.24x = 19,235,201.35
  5. Step 5: Solve for x
    x = 19,235,201.35/4,302.24
  6. Step 6: Final answer
    x = 4,470.97

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1.5x scale

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.