Home / 7,577.20-11,365.80-2,960.20

Finding the Fourth Proportional to 7,577.20, 11,365.80 and 2,960.20

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Solution

The fourth proportional to 7,577.20, 11,365.80 and 2,960.20 is: 4,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.20 : 11,365.80 = 2,960.20 : x
  2. Step 2: Convert to fraction form
    7,577.20/11,365.80 = 2,960.20/x
  3. Step 3: Cross multiply
    7,577.20x = 11,365.80 × 2,960.20
  4. Step 4: Simplify right side
    7,577.20x = 33,645,041.16
  5. Step 5: Solve for x
    x = 33,645,041.16/7,577.20
  6. Step 6: Final answer
    x = 4,440.30

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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.