Home / 7,672.82-10,589.30-4,690.65

Finding the Fourth Proportional to 7,672.82, 10,589.30 and 4,690.65

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Solution

The fourth proportional to 7,672.82, 10,589.30 and 4,690.65 is: 6,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.82 : 10,589.30 = 4,690.65 : x
  2. Step 2: Convert to fraction form
    7,672.82/10,589.30 = 4,690.65/x
  3. Step 3: Cross multiply
    7,672.82x = 10,589.30 × 4,690.65
  4. Step 4: Simplify right side
    7,672.82x = 49,670,676.59
  5. Step 5: Solve for x
    x = 49,670,676.59/7,672.82
  6. Step 6: Final answer
    x = 6,473.59

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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.