Home / 8,485.83-11,709.92-5,126.66

Finding the Fourth Proportional to 8,485.83, 11,709.92 and 5,126.66

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Solution

The fourth proportional to 8,485.83, 11,709.92 and 5,126.66 is: 7,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.83 : 11,709.92 = 5,126.66 : x
  2. Step 2: Convert to fraction form
    8,485.83/11,709.92 = 5,126.66/x
  3. Step 3: Cross multiply
    8,485.83x = 11,709.92 × 5,126.66
  4. Step 4: Simplify right side
    8,485.83x = 60,032,747.81
  5. Step 5: Solve for x
    x = 60,032,747.81/8,485.83
  6. Step 6: Final answer
    x = 7,074.47

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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.