Home / 7,731.81-10,669.61-4,194.95

Finding the Fourth Proportional to 7,731.81, 10,669.61 and 4,194.95

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Solution

The fourth proportional to 7,731.81, 10,669.61 and 4,194.95 is: 5,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.81 : 10,669.61 = 4,194.95 : x
  2. Step 2: Convert to fraction form
    7,731.81/10,669.61 = 4,194.95/x
  3. Step 3: Cross multiply
    7,731.81x = 10,669.61 × 4,194.95
  4. Step 4: Simplify right side
    7,731.81x = 44,758,406.15
  5. Step 5: Solve for x
    x = 44,758,406.15/7,731.81
  6. Step 6: Final answer
    x = 5,788.87

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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.