Home / 4,612.36-6,919.92-2,148.64

Finding the Fourth Proportional to 4,612.36, 6,919.92 and 2,148.64

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Solution

The fourth proportional to 4,612.36, 6,919.92 and 2,148.64 is: 3,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.36 : 6,919.92 = 2,148.64 : x
  2. Step 2: Convert to fraction form
    4,612.36/6,919.92 = 2,148.64/x
  3. Step 3: Cross multiply
    4,612.36x = 6,919.92 × 2,148.64
  4. Step 4: Simplify right side
    4,612.36x = 14,868,416.91
  5. Step 5: Solve for x
    x = 14,868,416.91/4,612.36
  6. Step 6: Final answer
    x = 3,223.60

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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.