Home / 6,838.02-9,436.50-3,853.98

Finding the Fourth Proportional to 6,838.02, 9,436.50 and 3,853.98

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Solution

The fourth proportional to 6,838.02, 9,436.50 and 3,853.98 is: 5,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.02 : 9,436.50 = 3,853.98 : x
  2. Step 2: Convert to fraction form
    6,838.02/9,436.50 = 3,853.98/x
  3. Step 3: Cross multiply
    6,838.02x = 9,436.50 × 3,853.98
  4. Step 4: Simplify right side
    6,838.02x = 36,368,082.27
  5. Step 5: Solve for x
    x = 36,368,082.27/6,838.02
  6. Step 6: Final answer
    x = 5,318.51

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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.