Home / 6,783.13-9,360.93-3,798.28

Finding the Fourth Proportional to 6,783.13, 9,360.93 and 3,798.28

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Solution

The fourth proportional to 6,783.13, 9,360.93 and 3,798.28 is: 5,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.13 : 9,360.93 = 3,798.28 : x
  2. Step 2: Convert to fraction form
    6,783.13/9,360.93 = 3,798.28/x
  3. Step 3: Cross multiply
    6,783.13x = 9,360.93 × 3,798.28
  4. Step 4: Simplify right side
    6,783.13x = 35,555,433.20
  5. Step 5: Solve for x
    x = 35,555,433.20/6,783.13
  6. Step 6: Final answer
    x = 5,241.74

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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.