Home / 5,090.90-7,024.50-2,852.80

Finding the Fourth Proportional to 5,090.90, 7,024.50 and 2,852.80

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Solution

The fourth proportional to 5,090.90, 7,024.50 and 2,852.80 is: 3,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.90 : 7,024.50 = 2,852.80 : x
  2. Step 2: Convert to fraction form
    5,090.90/7,024.50 = 2,852.80/x
  3. Step 3: Cross multiply
    5,090.90x = 7,024.50 × 2,852.80
  4. Step 4: Simplify right side
    5,090.90x = 20,039,493.60
  5. Step 5: Solve for x
    x = 20,039,493.60/5,090.90
  6. Step 6: Final answer
    x = 3,936.34

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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.