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Finding the Fourth Proportional to 8,959.77, 13,439.66 and 3,762.27

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Solution

The fourth proportional to 8,959.77, 13,439.66 and 3,762.27 is: 5,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.77 : 13,439.66 = 3,762.27 : x
  2. Step 2: Convert to fraction form
    8,959.77/13,439.66 = 3,762.27/x
  3. Step 3: Cross multiply
    8,959.77x = 13,439.66 × 3,762.27
  4. Step 4: Simplify right side
    8,959.77x = 50,563,610.82
  5. Step 5: Solve for x
    x = 50,563,610.82/8,959.77
  6. Step 6: Final answer
    x = 5,643.41

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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.