Home / 5,477.96-7,559.58-3,120.10

Finding the Fourth Proportional to 5,477.96, 7,559.58 and 3,120.10

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Solution

The fourth proportional to 5,477.96, 7,559.58 and 3,120.10 is: 4,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.96 : 7,559.58 = 3,120.10 : x
  2. Step 2: Convert to fraction form
    5,477.96/7,559.58 = 3,120.10/x
  3. Step 3: Cross multiply
    5,477.96x = 7,559.58 × 3,120.10
  4. Step 4: Simplify right side
    5,477.96x = 23,586,645.56
  5. Step 5: Solve for x
    x = 23,586,645.56/5,477.96
  6. Step 6: Final answer
    x = 4,305.74

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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.