Home / 7,288.36-10,058.80-4,145.04

Finding the Fourth Proportional to 7,288.36, 10,058.80 and 4,145.04

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Solution

The fourth proportional to 7,288.36, 10,058.80 and 4,145.04 is: 5,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.36 : 10,058.80 = 4,145.04 : x
  2. Step 2: Convert to fraction form
    7,288.36/10,058.80 = 4,145.04/x
  3. Step 3: Cross multiply
    7,288.36x = 10,058.80 × 4,145.04
  4. Step 4: Simplify right side
    7,288.36x = 41,694,128.35
  5. Step 5: Solve for x
    x = 41,694,128.35/7,288.36
  6. Step 6: Final answer
    x = 5,720.65

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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.