Home / 4,004.12-5,522.64-3,445.53

Finding the Fourth Proportional to 4,004.12, 5,522.64 and 3,445.53

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Solution

The fourth proportional to 4,004.12, 5,522.64 and 3,445.53 is: 4,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004.12 : 5,522.64 = 3,445.53 : x
  2. Step 2: Convert to fraction form
    4,004.12/5,522.64 = 3,445.53/x
  3. Step 3: Cross multiply
    4,004.12x = 5,522.64 × 3,445.53
  4. Step 4: Simplify right side
    4,004.12x = 19,028,421.80
  5. Step 5: Solve for x
    x = 19,028,421.80/4,004.12
  6. Step 6: Final answer
    x = 4,752.21

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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.