Home / 4,647.72-6,412.89-2,658.94

Finding the Fourth Proportional to 4,647.72, 6,412.89 and 2,658.94

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Solution

The fourth proportional to 4,647.72, 6,412.89 and 2,658.94 is: 3,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.72 : 6,412.89 = 2,658.94 : x
  2. Step 2: Convert to fraction form
    4,647.72/6,412.89 = 2,658.94/x
  3. Step 3: Cross multiply
    4,647.72x = 6,412.89 × 2,658.94
  4. Step 4: Simplify right side
    4,647.72x = 17,051,489.74
  5. Step 5: Solve for x
    x = 17,051,489.74/4,647.72
  6. Step 6: Final answer
    x = 3,668.79

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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.