Home / 8,325.15-11,491.16-4,790.85

Finding the Fourth Proportional to 8,325.15, 11,491.16 and 4,790.85

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Solution

The fourth proportional to 8,325.15, 11,491.16 and 4,790.85 is: 6,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.15 : 11,491.16 = 4,790.85 : x
  2. Step 2: Convert to fraction form
    8,325.15/11,491.16 = 4,790.85/x
  3. Step 3: Cross multiply
    8,325.15x = 11,491.16 × 4,790.85
  4. Step 4: Simplify right side
    8,325.15x = 55,052,423.89
  5. Step 5: Solve for x
    x = 55,052,423.89/8,325.15
  6. Step 6: Final answer
    x = 6,612.78

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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.