Home / 6,767.81-9,339.77-3,783.98

Finding the Fourth Proportional to 6,767.81, 9,339.77 and 3,783.98

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Solution

The fourth proportional to 6,767.81, 9,339.77 and 3,783.98 is: 5,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.81 : 9,339.77 = 3,783.98 : x
  2. Step 2: Convert to fraction form
    6,767.81/9,339.77 = 3,783.98/x
  3. Step 3: Cross multiply
    6,767.81x = 9,339.77 × 3,783.98
  4. Step 4: Simplify right side
    6,767.81x = 35,341,502.88
  5. Step 5: Solve for x
    x = 35,341,502.88/6,767.81
  6. Step 6: Final answer
    x = 5,222.00

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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.