Home / 8,813.24-12,163.74-5,277.16

Finding the Fourth Proportional to 8,813.24, 12,163.74 and 5,277.16

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Solution

The fourth proportional to 8,813.24, 12,163.74 and 5,277.16 is: 7,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.24 : 12,163.74 = 5,277.16 : x
  2. Step 2: Convert to fraction form
    8,813.24/12,163.74 = 5,277.16/x
  3. Step 3: Cross multiply
    8,813.24x = 12,163.74 × 5,277.16
  4. Step 4: Simplify right side
    8,813.24x = 64,190,002.18
  5. Step 5: Solve for x
    x = 64,190,002.18/8,813.24
  6. Step 6: Final answer
    x = 7,283.36

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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.