Home / 4,679.74-6,458.40-2,690.98

Finding the Fourth Proportional to 4,679.74, 6,458.40 and 2,690.98

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Solution

The fourth proportional to 4,679.74, 6,458.40 and 2,690.98 is: 3,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.74 : 6,458.40 = 2,690.98 : x
  2. Step 2: Convert to fraction form
    4,679.74/6,458.40 = 2,690.98/x
  3. Step 3: Cross multiply
    4,679.74x = 6,458.40 × 2,690.98
  4. Step 4: Simplify right side
    4,679.74x = 17,379,425.23
  5. Step 5: Solve for x
    x = 17,379,425.23/4,679.74
  6. Step 6: Final answer
    x = 3,713.76

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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.