Home / 4,327.26-6,490.65-1,207.23

Finding the Fourth Proportional to 4,327.26, 6,490.65 and 1,207.23

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Solution

The fourth proportional to 4,327.26, 6,490.65 and 1,207.23 is: 1,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.26 : 6,490.65 = 1,207.23 : x
  2. Step 2: Convert to fraction form
    4,327.26/6,490.65 = 1,207.23/x
  3. Step 3: Cross multiply
    4,327.26x = 6,490.65 × 1,207.23
  4. Step 4: Simplify right side
    4,327.26x = 7,835,707.40
  5. Step 5: Solve for x
    x = 7,835,707.40/4,327.26
  6. Step 6: Final answer
    x = 1,810.78

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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.