Home / 7,288.22-10,058.92-4,145.42

Finding the Fourth Proportional to 7,288.22, 10,058.92 and 4,145.42

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Solution

The fourth proportional to 7,288.22, 10,058.92 and 4,145.42 is: 5,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.22 : 10,058.92 = 4,145.42 : x
  2. Step 2: Convert to fraction form
    7,288.22/10,058.92 = 4,145.42/x
  3. Step 3: Cross multiply
    7,288.22x = 10,058.92 × 4,145.42
  4. Step 4: Simplify right side
    7,288.22x = 41,698,448.15
  5. Step 5: Solve for x
    x = 41,698,448.15/7,288.22
  6. Step 6: Final answer
    x = 5,721.35

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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.