Home / 4,479.18-6,718.83-1,192.74

Finding the Fourth Proportional to 4,479.18, 6,718.83 and 1,192.74

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Solution

The fourth proportional to 4,479.18, 6,718.83 and 1,192.74 is: 1,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.18 : 6,718.83 = 1,192.74 : x
  2. Step 2: Convert to fraction form
    4,479.18/6,718.83 = 1,192.74/x
  3. Step 3: Cross multiply
    4,479.18x = 6,718.83 × 1,192.74
  4. Step 4: Simplify right side
    4,479.18x = 8,013,817.29
  5. Step 5: Solve for x
    x = 8,013,817.29/4,479.18
  6. Step 6: Final answer
    x = 1,789.13

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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.