Home / 4,680.40-7,017.20-2,213.86

Finding the Fourth Proportional to 4,680.40, 7,017.20 and 2,213.86

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Solution

The fourth proportional to 4,680.40, 7,017.20 and 2,213.86 is: 3,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.40 : 7,017.20 = 2,213.86 : x
  2. Step 2: Convert to fraction form
    4,680.40/7,017.20 = 2,213.86/x
  3. Step 3: Cross multiply
    4,680.40x = 7,017.20 × 2,213.86
  4. Step 4: Simplify right side
    4,680.40x = 15,535,098.39
  5. Step 5: Solve for x
    x = 15,535,098.39/4,680.40
  6. Step 6: Final answer
    x = 3,319.18

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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.