Home / 6,803.20-9,387.64-3,818.64

Finding the Fourth Proportional to 6,803.20, 9,387.64 and 3,818.64

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Solution

The fourth proportional to 6,803.20, 9,387.64 and 3,818.64 is: 5,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.20 : 9,387.64 = 3,818.64 : x
  2. Step 2: Convert to fraction form
    6,803.20/9,387.64 = 3,818.64/x
  3. Step 3: Cross multiply
    6,803.20x = 9,387.64 × 3,818.64
  4. Step 4: Simplify right side
    6,803.20x = 35,848,017.61
  5. Step 5: Solve for x
    x = 35,848,017.61/6,803.20
  6. Step 6: Final answer
    x = 5,269.29

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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.