Home / 5,539.48-7,643.58-3,055

Finding the Fourth Proportional to 5,539.48, 7,643.58 and 3,055

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Solution

The fourth proportional to 5,539.48, 7,643.58 and 3,055 is: 4,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.48 : 7,643.58 = 3,055 : x
  2. Step 2: Convert to fraction form
    5,539.48/7,643.58 = 3,055/x
  3. Step 3: Cross multiply
    5,539.48x = 7,643.58 × 3,055
  4. Step 4: Simplify right side
    5,539.48x = 23,351,136.90
  5. Step 5: Solve for x
    x = 23,351,136.90/5,539.48
  6. Step 6: Final answer
    x = 4,215.40

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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.