Home / 7,352.20-11,028.30-5,019.40

Finding the Fourth Proportional to 7,352.20, 11,028.30 and 5,019.40

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Solution

The fourth proportional to 7,352.20, 11,028.30 and 5,019.40 is: 7,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.20 : 11,028.30 = 5,019.40 : x
  2. Step 2: Convert to fraction form
    7,352.20/11,028.30 = 5,019.40/x
  3. Step 3: Cross multiply
    7,352.20x = 11,028.30 × 5,019.40
  4. Step 4: Simplify right side
    7,352.20x = 55,355,449.02
  5. Step 5: Solve for x
    x = 55,355,449.02/7,352.20
  6. Step 6: Final answer
    x = 7,529.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.