Home / 7,750.29-11,625.15-2,485.17

Finding the Fourth Proportional to 7,750.29, 11,625.15 and 2,485.17

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Solution

The fourth proportional to 7,750.29, 11,625.15 and 2,485.17 is: 3,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.29 : 11,625.15 = 2,485.17 : x
  2. Step 2: Convert to fraction form
    7,750.29/11,625.15 = 2,485.17/x
  3. Step 3: Cross multiply
    7,750.29x = 11,625.15 × 2,485.17
  4. Step 4: Simplify right side
    7,750.29x = 28,890,474.03
  5. Step 5: Solve for x
    x = 28,890,474.03/7,750.29
  6. Step 6: Final answer
    x = 3,727.66

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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.