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Finding the Fourth Proportional to 5,571.51, 8,356.73 and 1,873.77

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Solution

The fourth proportional to 5,571.51, 8,356.73 and 1,873.77 is: 2,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.51 : 8,356.73 = 1,873.77 : x
  2. Step 2: Convert to fraction form
    5,571.51/8,356.73 = 1,873.77/x
  3. Step 3: Cross multiply
    5,571.51x = 8,356.73 × 1,873.77
  4. Step 4: Simplify right side
    5,571.51x = 15,658,610.92
  5. Step 5: Solve for x
    x = 15,658,610.92/5,571.51
  6. Step 6: Final answer
    x = 2,810.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.