Home / 8,434.98-12,651.57-3,755.07

Finding the Fourth Proportional to 8,434.98, 12,651.57 and 3,755.07

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Solution

The fourth proportional to 8,434.98, 12,651.57 and 3,755.07 is: 5,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.98 : 12,651.57 = 3,755.07 : x
  2. Step 2: Convert to fraction form
    8,434.98/12,651.57 = 3,755.07/x
  3. Step 3: Cross multiply
    8,434.98x = 12,651.57 × 3,755.07
  4. Step 4: Simplify right side
    8,434.98x = 47,507,530.96
  5. Step 5: Solve for x
    x = 47,507,530.96/8,434.98
  6. Step 6: Final answer
    x = 5,632.20

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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.