Home / 5,015.63-6,921.24-2,777.38

Finding the Fourth Proportional to 5,015.63, 6,921.24 and 2,777.38

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Solution

The fourth proportional to 5,015.63, 6,921.24 and 2,777.38 is: 3,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.63 : 6,921.24 = 2,777.38 : x
  2. Step 2: Convert to fraction form
    5,015.63/6,921.24 = 2,777.38/x
  3. Step 3: Cross multiply
    5,015.63x = 6,921.24 × 2,777.38
  4. Step 4: Simplify right side
    5,015.63x = 19,222,913.55
  5. Step 5: Solve for x
    x = 19,222,913.55/5,015.63
  6. Step 6: Final answer
    x = 3,832.60

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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.