Home / 4,453.53-6,680.35-1,988.48

Finding the Fourth Proportional to 4,453.53, 6,680.35 and 1,988.48

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Solution

The fourth proportional to 4,453.53, 6,680.35 and 1,988.48 is: 2,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.53 : 6,680.35 = 1,988.48 : x
  2. Step 2: Convert to fraction form
    4,453.53/6,680.35 = 1,988.48/x
  3. Step 3: Cross multiply
    4,453.53x = 6,680.35 × 1,988.48
  4. Step 4: Simplify right side
    4,453.53x = 13,283,742.37
  5. Step 5: Solve for x
    x = 13,283,742.37/4,453.53
  6. Step 6: Final answer
    x = 2,982.74

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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.