Home / 7,681.66-11,522.08-3,784.75

Finding the Fourth Proportional to 7,681.66, 11,522.08 and 3,784.75

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Solution

The fourth proportional to 7,681.66, 11,522.08 and 3,784.75 is: 5,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.66 : 11,522.08 = 3,784.75 : x
  2. Step 2: Convert to fraction form
    7,681.66/11,522.08 = 3,784.75/x
  3. Step 3: Cross multiply
    7,681.66x = 11,522.08 × 3,784.75
  4. Step 4: Simplify right side
    7,681.66x = 43,608,192.28
  5. Step 5: Solve for x
    x = 43,608,192.28/7,681.66
  6. Step 6: Final answer
    x = 5,676.92

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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.