Home / 5,058.96-6,980.94-2,820.66

Finding the Fourth Proportional to 5,058.96, 6,980.94 and 2,820.66

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Solution

The fourth proportional to 5,058.96, 6,980.94 and 2,820.66 is: 3,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.96 : 6,980.94 = 2,820.66 : x
  2. Step 2: Convert to fraction form
    5,058.96/6,980.94 = 2,820.66/x
  3. Step 3: Cross multiply
    5,058.96x = 6,980.94 × 2,820.66
  4. Step 4: Simplify right side
    5,058.96x = 19,690,858.22
  5. Step 5: Solve for x
    x = 19,690,858.22/5,058.96
  6. Step 6: Final answer
    x = 3,892.27

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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.