Home / 8,120.85-11,206.71-4,583.94

Finding the Fourth Proportional to 8,120.85, 11,206.71 and 4,583.94

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Solution

The fourth proportional to 8,120.85, 11,206.71 and 4,583.94 is: 6,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.85 : 11,206.71 = 4,583.94 : x
  2. Step 2: Convert to fraction form
    8,120.85/11,206.71 = 4,583.94/x
  3. Step 3: Cross multiply
    8,120.85x = 11,206.71 × 4,583.94
  4. Step 4: Simplify right side
    8,120.85x = 51,370,886.24
  5. Step 5: Solve for x
    x = 51,370,886.24/8,120.85
  6. Step 6: Final answer
    x = 6,325.80

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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.