Home / 8,153.69-12,225.57-4,450.77

Finding the Fourth Proportional to 8,153.69, 12,225.57 and 4,450.77

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Solution

The fourth proportional to 8,153.69, 12,225.57 and 4,450.77 is: 6,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.69 : 12,225.57 = 4,450.77 : x
  2. Step 2: Convert to fraction form
    8,153.69/12,225.57 = 4,450.77/x
  3. Step 3: Cross multiply
    8,153.69x = 12,225.57 × 4,450.77
  4. Step 4: Simplify right side
    8,153.69x = 54,413,200.19
  5. Step 5: Solve for x
    x = 54,413,200.19/8,153.69
  6. Step 6: Final answer
    x = 6,673.45

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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.