Home / 7,124.72-10,688.74-2,194.25

Finding the Fourth Proportional to 7,124.72, 10,688.74 and 2,194.25

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Solution

The fourth proportional to 7,124.72, 10,688.74 and 2,194.25 is: 3,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.72 : 10,688.74 = 2,194.25 : x
  2. Step 2: Convert to fraction form
    7,124.72/10,688.74 = 2,194.25/x
  3. Step 3: Cross multiply
    7,124.72x = 10,688.74 × 2,194.25
  4. Step 4: Simplify right side
    7,124.72x = 23,453,708.82
  5. Step 5: Solve for x
    x = 23,453,708.82/7,124.72
  6. Step 6: Final answer
    x = 3,291.88

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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.