Home / 5,090.13-7,024.03-2,821.45

Finding the Fourth Proportional to 5,090.13, 7,024.03 and 2,821.45

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Solution

The fourth proportional to 5,090.13, 7,024.03 and 2,821.45 is: 3,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.13 : 7,024.03 = 2,821.45 : x
  2. Step 2: Convert to fraction form
    5,090.13/7,024.03 = 2,821.45/x
  3. Step 3: Cross multiply
    5,090.13x = 7,024.03 × 2,821.45
  4. Step 4: Simplify right side
    5,090.13x = 19,817,949.44
  5. Step 5: Solve for x
    x = 19,817,949.44/5,090.13
  6. Step 6: Final answer
    x = 3,893.41

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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.