Home / 4,343.52-6,516.08-1,421.98

Finding the Fourth Proportional to 4,343.52, 6,516.08 and 1,421.98

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Solution

The fourth proportional to 4,343.52, 6,516.08 and 1,421.98 is: 2,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.52 : 6,516.08 = 1,421.98 : x
  2. Step 2: Convert to fraction form
    4,343.52/6,516.08 = 1,421.98/x
  3. Step 3: Cross multiply
    4,343.52x = 6,516.08 × 1,421.98
  4. Step 4: Simplify right side
    4,343.52x = 9,265,735.44
  5. Step 5: Solve for x
    x = 9,265,735.44/4,343.52
  6. Step 6: Final answer
    x = 2,133.23

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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.