Home / 7,058.49-10,588.14-2,128.02

Finding the Fourth Proportional to 7,058.49, 10,588.14 and 2,128.02

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Solution

The fourth proportional to 7,058.49, 10,588.14 and 2,128.02 is: 3,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.49 : 10,588.14 = 2,128.02 : x
  2. Step 2: Convert to fraction form
    7,058.49/10,588.14 = 2,128.02/x
  3. Step 3: Cross multiply
    7,058.49x = 10,588.14 × 2,128.02
  4. Step 4: Simplify right side
    7,058.49x = 22,531,773.68
  5. Step 5: Solve for x
    x = 22,531,773.68/7,058.49
  6. Step 6: Final answer
    x = 3,192.15

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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.