Home / 7,647.91-10,554.92-4,291.63

Finding the Fourth Proportional to 7,647.91, 10,554.92 and 4,291.63

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Solution

The fourth proportional to 7,647.91, 10,554.92 and 4,291.63 is: 5,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.91 : 10,554.92 = 4,291.63 : x
  2. Step 2: Convert to fraction form
    7,647.91/10,554.92 = 4,291.63/x
  3. Step 3: Cross multiply
    7,647.91x = 10,554.92 × 4,291.63
  4. Step 4: Simplify right side
    7,647.91x = 45,297,811.32
  5. Step 5: Solve for x
    x = 45,297,811.32/7,647.91
  6. Step 6: Final answer
    x = 5,922.90

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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.