Home / 4,478.35-6,180.08-2,488.86

Finding the Fourth Proportional to 4,478.35, 6,180.08 and 2,488.86

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Solution

The fourth proportional to 4,478.35, 6,180.08 and 2,488.86 is: 3,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.35 : 6,180.08 = 2,488.86 : x
  2. Step 2: Convert to fraction form
    4,478.35/6,180.08 = 2,488.86/x
  3. Step 3: Cross multiply
    4,478.35x = 6,180.08 × 2,488.86
  4. Step 4: Simplify right side
    4,478.35x = 15,381,364.64
  5. Step 5: Solve for x
    x = 15,381,364.64/4,478.35
  6. Step 6: Final answer
    x = 3,434.61

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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.