Home / 6,668.80-9,199.68-4,312.96

Finding the Fourth Proportional to 6,668.80, 9,199.68 and 4,312.96

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Solution

The fourth proportional to 6,668.80, 9,199.68 and 4,312.96 is: 5,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.80 : 9,199.68 = 4,312.96 : x
  2. Step 2: Convert to fraction form
    6,668.80/9,199.68 = 4,312.96/x
  3. Step 3: Cross multiply
    6,668.80x = 9,199.68 × 4,312.96
  4. Step 4: Simplify right side
    6,668.80x = 39,677,851.85
  5. Step 5: Solve for x
    x = 39,677,851.85/6,668.80
  6. Step 6: Final answer
    x = 5,949.77

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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.