Home / 7,218.84-10,823.40-4,450.80

Finding the Fourth Proportional to 7,218.84, 10,823.40 and 4,450.80

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Solution

The fourth proportional to 7,218.84, 10,823.40 and 4,450.80 is: 6,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.84 : 10,823.40 = 4,450.80 : x
  2. Step 2: Convert to fraction form
    7,218.84/10,823.40 = 4,450.80/x
  3. Step 3: Cross multiply
    7,218.84x = 10,823.40 × 4,450.80
  4. Step 4: Simplify right side
    7,218.84x = 48,172,788.72
  5. Step 5: Solve for x
    x = 48,172,788.72/7,218.84
  6. Step 6: Final answer
    x = 6,673.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.