Home / 4,343.83-6,515.13-1,421.75

Finding the Fourth Proportional to 4,343.83, 6,515.13 and 1,421.75

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Solution

The fourth proportional to 4,343.83, 6,515.13 and 1,421.75 is: 2,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.83 : 6,515.13 = 1,421.75 : x
  2. Step 2: Convert to fraction form
    4,343.83/6,515.13 = 1,421.75/x
  3. Step 3: Cross multiply
    4,343.83x = 6,515.13 × 1,421.75
  4. Step 4: Simplify right side
    4,343.83x = 9,262,886.08
  5. Step 5: Solve for x
    x = 9,262,886.08/4,343.83
  6. Step 6: Final answer
    x = 2,132.43

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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.