Home / 4,375.50-6,566.30-1,778.45

Finding the Fourth Proportional to 4,375.50, 6,566.30 and 1,778.45

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Solution

The fourth proportional to 4,375.50, 6,566.30 and 1,778.45 is: 2,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.50 : 6,566.30 = 1,778.45 : x
  2. Step 2: Convert to fraction form
    4,375.50/6,566.30 = 1,778.45/x
  3. Step 3: Cross multiply
    4,375.50x = 6,566.30 × 1,778.45
  4. Step 4: Simplify right side
    4,375.50x = 11,677,794.51
  5. Step 5: Solve for x
    x = 11,677,794.51/4,375.50
  6. Step 6: Final answer
    x = 2,668.91

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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.