Home / 7,700.12-11,540.96-3,017.21

Finding the Fourth Proportional to 7,700.12, 11,540.96 and 3,017.21

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Solution

The fourth proportional to 7,700.12, 11,540.96 and 3,017.21 is: 4,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.12 : 11,540.96 = 3,017.21 : x
  2. Step 2: Convert to fraction form
    7,700.12/11,540.96 = 3,017.21/x
  3. Step 3: Cross multiply
    7,700.12x = 11,540.96 × 3,017.21
  4. Step 4: Simplify right side
    7,700.12x = 34,821,427.13
  5. Step 5: Solve for x
    x = 34,821,427.13/7,700.12
  6. Step 6: Final answer
    x = 4,522.20

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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.