Home / 8,139.46-11,232.69-4,602.60

Finding the Fourth Proportional to 8,139.46, 11,232.69 and 4,602.60

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Solution

The fourth proportional to 8,139.46, 11,232.69 and 4,602.60 is: 6,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.46 : 11,232.69 = 4,602.60 : x
  2. Step 2: Convert to fraction form
    8,139.46/11,232.69 = 4,602.60/x
  3. Step 3: Cross multiply
    8,139.46x = 11,232.69 × 4,602.60
  4. Step 4: Simplify right side
    8,139.46x = 51,699,522.83
  5. Step 5: Solve for x
    x = 51,699,522.83/8,139.46
  6. Step 6: Final answer
    x = 6,351.71

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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.