Home / 6,838.80-9,437.57-3,854.69

Finding the Fourth Proportional to 6,838.80, 9,437.57 and 3,854.69

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Solution

The fourth proportional to 6,838.80, 9,437.57 and 3,854.69 is: 5,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.80 : 9,437.57 = 3,854.69 : x
  2. Step 2: Convert to fraction form
    6,838.80/9,437.57 = 3,854.69/x
  3. Step 3: Cross multiply
    6,838.80x = 9,437.57 × 3,854.69
  4. Step 4: Simplify right side
    6,838.80x = 36,378,840.24
  5. Step 5: Solve for x
    x = 36,378,840.24/6,838.80
  6. Step 6: Final answer
    x = 5,319.48

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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.