Home / 4,065.60-5,611.84-2,668.48

Finding the Fourth Proportional to 4,065.60, 5,611.84 and 2,668.48

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Solution

The fourth proportional to 4,065.60, 5,611.84 and 2,668.48 is: 3,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.60 : 5,611.84 = 2,668.48 : x
  2. Step 2: Convert to fraction form
    4,065.60/5,611.84 = 2,668.48/x
  3. Step 3: Cross multiply
    4,065.60x = 5,611.84 × 2,668.48
  4. Step 4: Simplify right side
    4,065.60x = 14,975,082.80
  5. Step 5: Solve for x
    x = 14,975,082.80/4,065.60
  6. Step 6: Final answer
    x = 3,683.36

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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.