Home / 5,407.83-8,111.75-1,512.24

Finding the Fourth Proportional to 5,407.83, 8,111.75 and 1,512.24

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Solution

The fourth proportional to 5,407.83, 8,111.75 and 1,512.24 is: 2,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.83 : 8,111.75 = 1,512.24 : x
  2. Step 2: Convert to fraction form
    5,407.83/8,111.75 = 1,512.24/x
  3. Step 3: Cross multiply
    5,407.83x = 8,111.75 × 1,512.24
  4. Step 4: Simplify right side
    5,407.83x = 12,266,912.82
  5. Step 5: Solve for x
    x = 12,266,912.82/5,407.83
  6. Step 6: Final answer
    x = 2,268.36

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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.