Home / 4,343.49-6,515.37-1,422.02

Finding the Fourth Proportional to 4,343.49, 6,515.37 and 1,422.02

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Solution

The fourth proportional to 4,343.49, 6,515.37 and 1,422.02 is: 2,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.49 : 6,515.37 = 1,422.02 : x
  2. Step 2: Convert to fraction form
    4,343.49/6,515.37 = 1,422.02/x
  3. Step 3: Cross multiply
    4,343.49x = 6,515.37 × 1,422.02
  4. Step 4: Simplify right side
    4,343.49x = 9,265,002.74
  5. Step 5: Solve for x
    x = 9,265,002.74/4,343.49
  6. Step 6: Final answer
    x = 2,133.08

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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.