Home / 5,477.68-7,559.94-3,120.04

Finding the Fourth Proportional to 5,477.68, 7,559.94 and 3,120.04

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Solution

The fourth proportional to 5,477.68, 7,559.94 and 3,120.04 is: 4,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.68 : 7,559.94 = 3,120.04 : x
  2. Step 2: Convert to fraction form
    5,477.68/7,559.94 = 3,120.04/x
  3. Step 3: Cross multiply
    5,477.68x = 7,559.94 × 3,120.04
  4. Step 4: Simplify right side
    5,477.68x = 23,587,315.20
  5. Step 5: Solve for x
    x = 23,587,315.20/5,477.68
  6. Step 6: Final answer
    x = 4,306.08

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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.