Home / 7,979.16-12,006.78-6,583.74

Finding the Fourth Proportional to 7,979.16, 12,006.78 and 6,583.74

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Solution

The fourth proportional to 7,979.16, 12,006.78 and 6,583.74 is: 9,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.16 : 12,006.78 = 6,583.74 : x
  2. Step 2: Convert to fraction form
    7,979.16/12,006.78 = 6,583.74/x
  3. Step 3: Cross multiply
    7,979.16x = 12,006.78 × 6,583.74
  4. Step 4: Simplify right side
    7,979.16x = 79,049,517.76
  5. Step 5: Solve for x
    x = 79,049,517.76/7,979.16
  6. Step 6: Final answer
    x = 9,907.00

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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.