Home / 4,380.85-6,570.63-1,418.92

Finding the Fourth Proportional to 4,380.85, 6,570.63 and 1,418.92

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Solution

The fourth proportional to 4,380.85, 6,570.63 and 1,418.92 is: 2,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.85 : 6,570.63 = 1,418.92 : x
  2. Step 2: Convert to fraction form
    4,380.85/6,570.63 = 1,418.92/x
  3. Step 3: Cross multiply
    4,380.85x = 6,570.63 × 1,418.92
  4. Step 4: Simplify right side
    4,380.85x = 9,323,181.89
  5. Step 5: Solve for x
    x = 9,323,181.89/4,380.85
  6. Step 6: Final answer
    x = 2,128.17

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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.