Home / 7,845.86-10,827.21-4,660.72

Finding the Fourth Proportional to 7,845.86, 10,827.21 and 4,660.72

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Solution

The fourth proportional to 7,845.86, 10,827.21 and 4,660.72 is: 6,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.86 : 10,827.21 = 4,660.72 : x
  2. Step 2: Convert to fraction form
    7,845.86/10,827.21 = 4,660.72/x
  3. Step 3: Cross multiply
    7,845.86x = 10,827.21 × 4,660.72
  4. Step 4: Simplify right side
    7,845.86x = 50,462,584.60
  5. Step 5: Solve for x
    x = 50,462,584.60/7,845.86
  6. Step 6: Final answer
    x = 6,431.74

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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.