Home / 7,675.55-11,513.32-2,130.29

Finding the Fourth Proportional to 7,675.55, 11,513.32 and 2,130.29

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Solution

The fourth proportional to 7,675.55, 11,513.32 and 2,130.29 is: 3,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.55 : 11,513.32 = 2,130.29 : x
  2. Step 2: Convert to fraction form
    7,675.55/11,513.32 = 2,130.29/x
  3. Step 3: Cross multiply
    7,675.55x = 11,513.32 × 2,130.29
  4. Step 4: Simplify right side
    7,675.55x = 24,526,710.46
  5. Step 5: Solve for x
    x = 24,526,710.46/7,675.55
  6. Step 6: Final answer
    x = 3,195.43

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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.