Home / 4,696.68-6,479.64-2,808.40

Finding the Fourth Proportional to 4,696.68, 6,479.64 and 2,808.40

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Solution

The fourth proportional to 4,696.68, 6,479.64 and 2,808.40 is: 3,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.68 : 6,479.64 = 2,808.40 : x
  2. Step 2: Convert to fraction form
    4,696.68/6,479.64 = 2,808.40/x
  3. Step 3: Cross multiply
    4,696.68x = 6,479.64 × 2,808.40
  4. Step 4: Simplify right side
    4,696.68x = 18,197,420.98
  5. Step 5: Solve for x
    x = 18,197,420.98/4,696.68
  6. Step 6: Final answer
    x = 3,874.53

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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.