Home / 5,177.02-7,145.58-2,940.22

Finding the Fourth Proportional to 5,177.02, 7,145.58 and 2,940.22

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Solution

The fourth proportional to 5,177.02, 7,145.58 and 2,940.22 is: 4,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.02 : 7,145.58 = 2,940.22 : x
  2. Step 2: Convert to fraction form
    5,177.02/7,145.58 = 2,940.22/x
  3. Step 3: Cross multiply
    5,177.02x = 7,145.58 × 2,940.22
  4. Step 4: Simplify right side
    5,177.02x = 21,009,577.23
  5. Step 5: Solve for x
    x = 21,009,577.23/5,177.02
  6. Step 6: Final answer
    x = 4,058.24

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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.