Home / 7,983.06-11,966.67-4,078.74

Finding the Fourth Proportional to 7,983.06, 11,966.67 and 4,078.74

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Solution

The fourth proportional to 7,983.06, 11,966.67 and 4,078.74 is: 6,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.06 : 11,966.67 = 4,078.74 : x
  2. Step 2: Convert to fraction form
    7,983.06/11,966.67 = 4,078.74/x
  3. Step 3: Cross multiply
    7,983.06x = 11,966.67 × 4,078.74
  4. Step 4: Simplify right side
    7,983.06x = 48,808,935.60
  5. Step 5: Solve for x
    x = 48,808,935.60/7,983.06
  6. Step 6: Final answer
    x = 6,114.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.