Home / 7,614.90-11,427.30-2,684.40

Finding the Fourth Proportional to 7,614.90, 11,427.30 and 2,684.40

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Solution

The fourth proportional to 7,614.90, 11,427.30 and 2,684.40 is: 4,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.90 : 11,427.30 = 2,684.40 : x
  2. Step 2: Convert to fraction form
    7,614.90/11,427.30 = 2,684.40/x
  3. Step 3: Cross multiply
    7,614.90x = 11,427.30 × 2,684.40
  4. Step 4: Simplify right side
    7,614.90x = 30,675,444.12
  5. Step 5: Solve for x
    x = 30,675,444.12/7,614.90
  6. Step 6: Final answer
    x = 4,028.34

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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.