Home / 5,407.79-8,110.59-1,512.23

Finding the Fourth Proportional to 5,407.79, 8,110.59 and 1,512.23

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Solution

The fourth proportional to 5,407.79, 8,110.59 and 1,512.23 is: 2,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.79 : 8,110.59 = 1,512.23 : x
  2. Step 2: Convert to fraction form
    5,407.79/8,110.59 = 1,512.23/x
  3. Step 3: Cross multiply
    5,407.79x = 8,110.59 × 1,512.23
  4. Step 4: Simplify right side
    5,407.79x = 12,265,036.96
  5. Step 5: Solve for x
    x = 12,265,036.96/5,407.79
  6. Step 6: Final answer
    x = 2,268.03

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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.