Home / 6,927.60-9,560.08-3,783.79

Finding the Fourth Proportional to 6,927.60, 9,560.08 and 3,783.79

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Solution

The fourth proportional to 6,927.60, 9,560.08 and 3,783.79 is: 5,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.60 : 9,560.08 = 3,783.79 : x
  2. Step 2: Convert to fraction form
    6,927.60/9,560.08 = 3,783.79/x
  3. Step 3: Cross multiply
    6,927.60x = 9,560.08 × 3,783.79
  4. Step 4: Simplify right side
    6,927.60x = 36,173,268.38
  5. Step 5: Solve for x
    x = 36,173,268.38/6,927.60
  6. Step 6: Final answer
    x = 5,221.62

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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.