Home / 4,479.32-6,182.85-2,688.09

Finding the Fourth Proportional to 4,479.32, 6,182.85 and 2,688.09

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Solution

The fourth proportional to 4,479.32, 6,182.85 and 2,688.09 is: 3,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.32 : 6,182.85 = 2,688.09 : x
  2. Step 2: Convert to fraction form
    4,479.32/6,182.85 = 2,688.09/x
  3. Step 3: Cross multiply
    4,479.32x = 6,182.85 × 2,688.09
  4. Step 4: Simplify right side
    4,479.32x = 16,620,057.26
  5. Step 5: Solve for x
    x = 16,620,057.26/4,479.32
  6. Step 6: Final answer
    x = 3,710.40

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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.