Home / 6,927.50-9,559.96-3,783.68

Finding the Fourth Proportional to 6,927.50, 9,559.96 and 3,783.68

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Solution

The fourth proportional to 6,927.50, 9,559.96 and 3,783.68 is: 5,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.50 : 9,559.96 = 3,783.68 : x
  2. Step 2: Convert to fraction form
    6,927.50/9,559.96 = 3,783.68/x
  3. Step 3: Cross multiply
    6,927.50x = 9,559.96 × 3,783.68
  4. Step 4: Simplify right side
    6,927.50x = 36,171,829.45
  5. Step 5: Solve for x
    x = 36,171,829.45/6,927.50
  6. Step 6: Final answer
    x = 5,221.48

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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.