Home / 5,400.90-7,450.56-3,486.06

Finding the Fourth Proportional to 5,400.90, 7,450.56 and 3,486.06

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Solution

The fourth proportional to 5,400.90, 7,450.56 and 3,486.06 is: 4,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.90 : 7,450.56 = 3,486.06 : x
  2. Step 2: Convert to fraction form
    5,400.90/7,450.56 = 3,486.06/x
  3. Step 3: Cross multiply
    5,400.90x = 7,450.56 × 3,486.06
  4. Step 4: Simplify right side
    5,400.90x = 25,973,099.19
  5. Step 5: Solve for x
    x = 25,973,099.19/5,400.90
  6. Step 6: Final answer
    x = 4,809.03

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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.