Home / 4,453.60-6,680.40-2,113.60

Finding the Fourth Proportional to 4,453.60, 6,680.40 and 2,113.60

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Solution

The fourth proportional to 4,453.60, 6,680.40 and 2,113.60 is: 3,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.60 : 6,680.40 = 2,113.60 : x
  2. Step 2: Convert to fraction form
    4,453.60/6,680.40 = 2,113.60/x
  3. Step 3: Cross multiply
    4,453.60x = 6,680.40 × 2,113.60
  4. Step 4: Simplify right side
    4,453.60x = 14,119,693.44
  5. Step 5: Solve for x
    x = 14,119,693.44/4,453.60
  6. Step 6: Final answer
    x = 3,170.40

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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.