Home / 8,754.45-13,126.38-3,490.26

Finding the Fourth Proportional to 8,754.45, 13,126.38 and 3,490.26

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Solution

The fourth proportional to 8,754.45, 13,126.38 and 3,490.26 is: 5,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.45 : 13,126.38 = 3,490.26 : x
  2. Step 2: Convert to fraction form
    8,754.45/13,126.38 = 3,490.26/x
  3. Step 3: Cross multiply
    8,754.45x = 13,126.38 × 3,490.26
  4. Step 4: Simplify right side
    8,754.45x = 45,814,537.32
  5. Step 5: Solve for x
    x = 45,814,537.32/8,754.45
  6. Step 6: Final answer
    x = 5,233.28

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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.