Home / 5,050.21-7,578.47-1,930.48

Finding the Fourth Proportional to 5,050.21, 7,578.47 and 1,930.48

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Solution

The fourth proportional to 5,050.21, 7,578.47 and 1,930.48 is: 2,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.21 : 7,578.47 = 1,930.48 : x
  2. Step 2: Convert to fraction form
    5,050.21/7,578.47 = 1,930.48/x
  3. Step 3: Cross multiply
    5,050.21x = 7,578.47 × 1,930.48
  4. Step 4: Simplify right side
    5,050.21x = 14,630,084.77
  5. Step 5: Solve for x
    x = 14,630,084.77/5,050.21
  6. Step 6: Final answer
    x = 2,896.93

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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.