Home / 5,407.02-8,112.15-2,635.20

Finding the Fourth Proportional to 5,407.02, 8,112.15 and 2,635.20

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Solution

The fourth proportional to 5,407.02, 8,112.15 and 2,635.20 is: 3,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.02 : 8,112.15 = 2,635.20 : x
  2. Step 2: Convert to fraction form
    5,407.02/8,112.15 = 2,635.20/x
  3. Step 3: Cross multiply
    5,407.02x = 8,112.15 × 2,635.20
  4. Step 4: Simplify right side
    5,407.02x = 21,377,137.68
  5. Step 5: Solve for x
    x = 21,377,137.68/5,407.02
  6. Step 6: Final answer
    x = 3,953.59

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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.