Home / 5,539.16-7,643.81-3,021.21

Finding the Fourth Proportional to 5,539.16, 7,643.81 and 3,021.21

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Solution

The fourth proportional to 5,539.16, 7,643.81 and 3,021.21 is: 4,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.16 : 7,643.81 = 3,021.21 : x
  2. Step 2: Convert to fraction form
    5,539.16/7,643.81 = 3,021.21/x
  3. Step 3: Cross multiply
    5,539.16x = 7,643.81 × 3,021.21
  4. Step 4: Simplify right side
    5,539.16x = 23,093,562.76
  5. Step 5: Solve for x
    x = 23,093,562.76/5,539.16
  6. Step 6: Final answer
    x = 4,169.14

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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.