Home / 4,479.16-6,178.50-2,885.26

Finding the Fourth Proportional to 4,479.16, 6,178.50 and 2,885.26

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Solution

The fourth proportional to 4,479.16, 6,178.50 and 2,885.26 is: 3,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.16 : 6,178.50 = 2,885.26 : x
  2. Step 2: Convert to fraction form
    4,479.16/6,178.50 = 2,885.26/x
  3. Step 3: Cross multiply
    4,479.16x = 6,178.50 × 2,885.26
  4. Step 4: Simplify right side
    4,479.16x = 17,826,578.91
  5. Step 5: Solve for x
    x = 17,826,578.91/4,479.16
  6. Step 6: Final answer
    x = 3,979.89

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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.