Home / 7,939.10-11,910.63-2,392.32

Finding the Fourth Proportional to 7,939.10, 11,910.63 and 2,392.32

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Solution

The fourth proportional to 7,939.10, 11,910.63 and 2,392.32 is: 3,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.10 : 11,910.63 = 2,392.32 : x
  2. Step 2: Convert to fraction form
    7,939.10/11,910.63 = 2,392.32/x
  3. Step 3: Cross multiply
    7,939.10x = 11,910.63 × 2,392.32
  4. Step 4: Simplify right side
    7,939.10x = 28,494,038.36
  5. Step 5: Solve for x
    x = 28,494,038.36/7,939.10
  6. Step 6: Final answer
    x = 3,589.08

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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.