Home / 6,783.12-9,360.80-3,798.93

Finding the Fourth Proportional to 6,783.12, 9,360.80 and 3,798.93

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Solution

The fourth proportional to 6,783.12, 9,360.80 and 3,798.93 is: 5,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.12 : 9,360.80 = 3,798.93 : x
  2. Step 2: Convert to fraction form
    6,783.12/9,360.80 = 3,798.93/x
  3. Step 3: Cross multiply
    6,783.12x = 9,360.80 × 3,798.93
  4. Step 4: Simplify right side
    6,783.12x = 35,561,054.30
  5. Step 5: Solve for x
    x = 35,561,054.30/6,783.12
  6. Step 6: Final answer
    x = 5,242.58

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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.