Home / 8,209.42-11,326.91-5,021.55

Finding the Fourth Proportional to 8,209.42, 11,326.91 and 5,021.55

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Solution

The fourth proportional to 8,209.42, 11,326.91 and 5,021.55 is: 6,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.42 : 11,326.91 = 5,021.55 : x
  2. Step 2: Convert to fraction form
    8,209.42/11,326.91 = 5,021.55/x
  3. Step 3: Cross multiply
    8,209.42x = 11,326.91 × 5,021.55
  4. Step 4: Simplify right side
    8,209.42x = 56,878,652.79
  5. Step 5: Solve for x
    x = 56,878,652.79/8,209.42
  6. Step 6: Final answer
    x = 6,928.46

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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.