Home / 5,081.34-7,010.19-3,090.30

Finding the Fourth Proportional to 5,081.34, 7,010.19 and 3,090.30

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Solution

The fourth proportional to 5,081.34, 7,010.19 and 3,090.30 is: 4,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.34 : 7,010.19 = 3,090.30 : x
  2. Step 2: Convert to fraction form
    5,081.34/7,010.19 = 3,090.30/x
  3. Step 3: Cross multiply
    5,081.34x = 7,010.19 × 3,090.30
  4. Step 4: Simplify right side
    5,081.34x = 21,663,590.16
  5. Step 5: Solve for x
    x = 21,663,590.16/5,081.34
  6. Step 6: Final answer
    x = 4,263.36

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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.