Home / 7,218.32-10,828.62-3,058.36

Finding the Fourth Proportional to 7,218.32, 10,828.62 and 3,058.36

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Solution

The fourth proportional to 7,218.32, 10,828.62 and 3,058.36 is: 4,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.32 : 10,828.62 = 3,058.36 : x
  2. Step 2: Convert to fraction form
    7,218.32/10,828.62 = 3,058.36/x
  3. Step 3: Cross multiply
    7,218.32x = 10,828.62 × 3,058.36
  4. Step 4: Simplify right side
    7,218.32x = 33,117,818.26
  5. Step 5: Solve for x
    x = 33,117,818.26/7,218.32
  6. Step 6: Final answer
    x = 4,588.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.