Home / 8,120.54-11,206.56-4,583.78

Finding the Fourth Proportional to 8,120.54, 11,206.56 and 4,583.78

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Solution

The fourth proportional to 8,120.54, 11,206.56 and 4,583.78 is: 6,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.54 : 11,206.56 = 4,583.78 : x
  2. Step 2: Convert to fraction form
    8,120.54/11,206.56 = 4,583.78/x
  3. Step 3: Cross multiply
    8,120.54x = 11,206.56 × 4,583.78
  4. Step 4: Simplify right side
    8,120.54x = 51,368,405.60
  5. Step 5: Solve for x
    x = 51,368,405.60/8,120.54
  6. Step 6: Final answer
    x = 6,325.74

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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.