Home / 6,840.26-9,437.82-4,186.70

Finding the Fourth Proportional to 6,840.26, 9,437.82 and 4,186.70

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Solution

The fourth proportional to 6,840.26, 9,437.82 and 4,186.70 is: 5,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.26 : 9,437.82 = 4,186.70 : x
  2. Step 2: Convert to fraction form
    6,840.26/9,437.82 = 4,186.70/x
  3. Step 3: Cross multiply
    6,840.26x = 9,437.82 × 4,186.70
  4. Step 4: Simplify right side
    6,840.26x = 39,513,320.99
  5. Step 5: Solve for x
    x = 39,513,320.99/6,840.26
  6. Step 6: Final answer
    x = 5,776.58

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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.