Home / 7,339.22-10,128.43-4,195.41

Finding the Fourth Proportional to 7,339.22, 10,128.43 and 4,195.41

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Solution

The fourth proportional to 7,339.22, 10,128.43 and 4,195.41 is: 5,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.22 : 10,128.43 = 4,195.41 : x
  2. Step 2: Convert to fraction form
    7,339.22/10,128.43 = 4,195.41/x
  3. Step 3: Cross multiply
    7,339.22x = 10,128.43 × 4,195.41
  4. Step 4: Simplify right side
    7,339.22x = 42,492,883.77
  5. Step 5: Solve for x
    x = 42,492,883.77/7,339.22
  6. Step 6: Final answer
    x = 5,789.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.