Home / 4,577.35-6,865.99-1,290.43

Finding the Fourth Proportional to 4,577.35, 6,865.99 and 1,290.43

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Solution

The fourth proportional to 4,577.35, 6,865.99 and 1,290.43 is: 1,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.35 : 6,865.99 = 1,290.43 : x
  2. Step 2: Convert to fraction form
    4,577.35/6,865.99 = 1,290.43/x
  3. Step 3: Cross multiply
    4,577.35x = 6,865.99 × 1,290.43
  4. Step 4: Simplify right side
    4,577.35x = 8,860,059.08
  5. Step 5: Solve for x
    x = 8,860,059.08/4,577.35
  6. Step 6: Final answer
    x = 1,935.63

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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.