Home / 9,240.70-13,859.36-2,665.26

Finding the Fourth Proportional to 9,240.70, 13,859.36 and 2,665.26

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Solution

The fourth proportional to 9,240.70, 13,859.36 and 2,665.26 is: 3,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.70 : 13,859.36 = 2,665.26 : x
  2. Step 2: Convert to fraction form
    9,240.70/13,859.36 = 2,665.26/x
  3. Step 3: Cross multiply
    9,240.70x = 13,859.36 × 2,665.26
  4. Step 4: Simplify right side
    9,240.70x = 36,938,797.83
  5. Step 5: Solve for x
    x = 36,938,797.83/9,240.70
  6. Step 6: Final answer
    x = 3,997.40

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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.