Home / 7,243.52-10,865.32-2,626.40

Finding the Fourth Proportional to 7,243.52, 10,865.32 and 2,626.40

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Solution

The fourth proportional to 7,243.52, 10,865.32 and 2,626.40 is: 3,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.52 : 10,865.32 = 2,626.40 : x
  2. Step 2: Convert to fraction form
    7,243.52/10,865.32 = 2,626.40/x
  3. Step 3: Cross multiply
    7,243.52x = 10,865.32 × 2,626.40
  4. Step 4: Simplify right side
    7,243.52x = 28,536,676.45
  5. Step 5: Solve for x
    x = 28,536,676.45/7,243.52
  6. Step 6: Final answer
    x = 3,939.61

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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.