Home / 7,674.86-11,512.74-2,745.02

Finding the Fourth Proportional to 7,674.86, 11,512.74 and 2,745.02

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Solution

The fourth proportional to 7,674.86, 11,512.74 and 2,745.02 is: 4,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.86 : 11,512.74 = 2,745.02 : x
  2. Step 2: Convert to fraction form
    7,674.86/11,512.74 = 2,745.02/x
  3. Step 3: Cross multiply
    7,674.86x = 11,512.74 × 2,745.02
  4. Step 4: Simplify right side
    7,674.86x = 31,602,701.55
  5. Step 5: Solve for x
    x = 31,602,701.55/7,674.86
  6. Step 6: Final answer
    x = 4,117.69

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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.