Home / 4,696.45-6,480.04-2,807.72

Finding the Fourth Proportional to 4,696.45, 6,480.04 and 2,807.72

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Solution

The fourth proportional to 4,696.45, 6,480.04 and 2,807.72 is: 3,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.45 : 6,480.04 = 2,807.72 : x
  2. Step 2: Convert to fraction form
    4,696.45/6,480.04 = 2,807.72/x
  3. Step 3: Cross multiply
    4,696.45x = 6,480.04 × 2,807.72
  4. Step 4: Simplify right side
    4,696.45x = 18,194,137.91
  5. Step 5: Solve for x
    x = 18,194,137.91/4,696.45
  6. Step 6: Final answer
    x = 3,874.02

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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.