Home / 4,381.07-6,570.12-1,418.71

Finding the Fourth Proportional to 4,381.07, 6,570.12 and 1,418.71

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Solution

The fourth proportional to 4,381.07, 6,570.12 and 1,418.71 is: 2,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.07 : 6,570.12 = 1,418.71 : x
  2. Step 2: Convert to fraction form
    4,381.07/6,570.12 = 1,418.71/x
  3. Step 3: Cross multiply
    4,381.07x = 6,570.12 × 1,418.71
  4. Step 4: Simplify right side
    4,381.07x = 9,321,090.88
  5. Step 5: Solve for x
    x = 9,321,090.88/4,381.07
  6. Step 6: Final answer
    x = 2,127.58

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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.