Home / 4,364.60-6,546.90-3,117.20

Finding the Fourth Proportional to 4,364.60, 6,546.90 and 3,117.20

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Solution

The fourth proportional to 4,364.60, 6,546.90 and 3,117.20 is: 4,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,364.60 : 6,546.90 = 3,117.20 : x
  2. Step 2: Convert to fraction form
    4,364.60/6,546.90 = 3,117.20/x
  3. Step 3: Cross multiply
    4,364.60x = 6,546.90 × 3,117.20
  4. Step 4: Simplify right side
    4,364.60x = 20,407,996.68
  5. Step 5: Solve for x
    x = 20,407,996.68/4,364.60
  6. Step 6: Final answer
    x = 4,675.80

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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.