Home / 5,140.02-7,092.80-3,015.33

Finding the Fourth Proportional to 5,140.02, 7,092.80 and 3,015.33

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Solution

The fourth proportional to 5,140.02, 7,092.80 and 3,015.33 is: 4,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.02 : 7,092.80 = 3,015.33 : x
  2. Step 2: Convert to fraction form
    5,140.02/7,092.80 = 3,015.33/x
  3. Step 3: Cross multiply
    5,140.02x = 7,092.80 × 3,015.33
  4. Step 4: Simplify right side
    5,140.02x = 21,387,102.26
  5. Step 5: Solve for x
    x = 21,387,102.26/5,140.02
  6. Step 6: Final answer
    x = 4,160.90

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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.