Home / 7,288.76-10,058.49-4,145.14

Finding the Fourth Proportional to 7,288.76, 10,058.49 and 4,145.14

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Solution

The fourth proportional to 7,288.76, 10,058.49 and 4,145.14 is: 5,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.76 : 10,058.49 = 4,145.14 : x
  2. Step 2: Convert to fraction form
    7,288.76/10,058.49 = 4,145.14/x
  3. Step 3: Cross multiply
    7,288.76x = 10,058.49 × 4,145.14
  4. Step 4: Simplify right side
    7,288.76x = 41,693,849.24
  5. Step 5: Solve for x
    x = 41,693,849.24/7,288.76
  6. Step 6: Final answer
    x = 5,720.29

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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.