Home / 6,838.98-9,437.26-3,854.64

Finding the Fourth Proportional to 6,838.98, 9,437.26 and 3,854.64

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Solution

The fourth proportional to 6,838.98, 9,437.26 and 3,854.64 is: 5,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.98 : 9,437.26 = 3,854.64 : x
  2. Step 2: Convert to fraction form
    6,838.98/9,437.26 = 3,854.64/x
  3. Step 3: Cross multiply
    6,838.98x = 9,437.26 × 3,854.64
  4. Step 4: Simplify right side
    6,838.98x = 36,377,239.89
  5. Step 5: Solve for x
    x = 36,377,239.89/6,838.98
  6. Step 6: Final answer
    x = 5,319.10

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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.