Home / 4,293.36-6,439.25-1,520.06

Finding the Fourth Proportional to 4,293.36, 6,439.25 and 1,520.06

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Solution

The fourth proportional to 4,293.36, 6,439.25 and 1,520.06 is: 2,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.36 : 6,439.25 = 1,520.06 : x
  2. Step 2: Convert to fraction form
    4,293.36/6,439.25 = 1,520.06/x
  3. Step 3: Cross multiply
    4,293.36x = 6,439.25 × 1,520.06
  4. Step 4: Simplify right side
    4,293.36x = 9,788,006.56
  5. Step 5: Solve for x
    x = 9,788,006.56/4,293.36
  6. Step 6: Final answer
    x = 2,279.80

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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.