Home / 9,129.13-12,594.83-6,744.85

Finding the Fourth Proportional to 9,129.13, 12,594.83 and 6,744.85

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Solution

The fourth proportional to 9,129.13, 12,594.83 and 6,744.85 is: 9,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.13 : 12,594.83 = 6,744.85 : x
  2. Step 2: Convert to fraction form
    9,129.13/12,594.83 = 6,744.85/x
  3. Step 3: Cross multiply
    9,129.13x = 12,594.83 × 6,744.85
  4. Step 4: Simplify right side
    9,129.13x = 84,950,239.13
  5. Step 5: Solve for x
    x = 84,950,239.13/9,129.13
  6. Step 6: Final answer
    x = 9,305.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.