Home / 7,647.68-10,554.21-4,291.58

Finding the Fourth Proportional to 7,647.68, 10,554.21 and 4,291.58

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Solution

The fourth proportional to 7,647.68, 10,554.21 and 4,291.58 is: 5,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.68 : 10,554.21 = 4,291.58 : x
  2. Step 2: Convert to fraction form
    7,647.68/10,554.21 = 4,291.58/x
  3. Step 3: Cross multiply
    7,647.68x = 10,554.21 × 4,291.58
  4. Step 4: Simplify right side
    7,647.68x = 45,294,183.78
  5. Step 5: Solve for x
    x = 45,294,183.78/7,647.68
  6. Step 6: Final answer
    x = 5,922.61

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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.