Home / 7,731.63-10,669.66-4,194.86

Finding the Fourth Proportional to 7,731.63, 10,669.66 and 4,194.86

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Solution

The fourth proportional to 7,731.63, 10,669.66 and 4,194.86 is: 5,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.63 : 10,669.66 = 4,194.86 : x
  2. Step 2: Convert to fraction form
    7,731.63/10,669.66 = 4,194.86/x
  3. Step 3: Cross multiply
    7,731.63x = 10,669.66 × 4,194.86
  4. Step 4: Simplify right side
    7,731.63x = 44,757,666.11
  5. Step 5: Solve for x
    x = 44,757,666.11/7,731.63
  6. Step 6: Final answer
    x = 5,788.90

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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.