Home / 5,032.74-6,945.21-3,145.42

Finding the Fourth Proportional to 5,032.74, 6,945.21 and 3,145.42

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Solution

The fourth proportional to 5,032.74, 6,945.21 and 3,145.42 is: 4,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.74 : 6,945.21 = 3,145.42 : x
  2. Step 2: Convert to fraction form
    5,032.74/6,945.21 = 3,145.42/x
  3. Step 3: Cross multiply
    5,032.74x = 6,945.21 × 3,145.42
  4. Step 4: Simplify right side
    5,032.74x = 21,845,602.44
  5. Step 5: Solve for x
    x = 21,845,602.44/5,032.74
  6. Step 6: Final answer
    x = 4,340.70

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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.