Home / 7,289.31-10,058.34-4,102.21

Finding the Fourth Proportional to 7,289.31, 10,058.34 and 4,102.21

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Solution

The fourth proportional to 7,289.31, 10,058.34 and 4,102.21 is: 5,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.31 : 10,058.34 = 4,102.21 : x
  2. Step 2: Convert to fraction form
    7,289.31/10,058.34 = 4,102.21/x
  3. Step 3: Cross multiply
    7,289.31x = 10,058.34 × 4,102.21
  4. Step 4: Simplify right side
    7,289.31x = 41,261,422.93
  5. Step 5: Solve for x
    x = 41,261,422.93/7,289.31
  6. Step 6: Final answer
    x = 5,660.54

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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.