Home / 8,166.09-11,271.77-4,631.64

Finding the Fourth Proportional to 8,166.09, 11,271.77 and 4,631.64

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Solution

The fourth proportional to 8,166.09, 11,271.77 and 4,631.64 is: 6,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.09 : 11,271.77 = 4,631.64 : x
  2. Step 2: Convert to fraction form
    8,166.09/11,271.77 = 4,631.64/x
  3. Step 3: Cross multiply
    8,166.09x = 11,271.77 × 4,631.64
  4. Step 4: Simplify right side
    8,166.09x = 52,206,757.64
  5. Step 5: Solve for x
    x = 52,206,757.64/8,166.09
  6. Step 6: Final answer
    x = 6,393.12

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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.