Home / 4,371.36-6,558.90-2,421.36

Finding the Fourth Proportional to 4,371.36, 6,558.90 and 2,421.36

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Solution

The fourth proportional to 4,371.36, 6,558.90 and 2,421.36 is: 3,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.36 : 6,558.90 = 2,421.36 : x
  2. Step 2: Convert to fraction form
    4,371.36/6,558.90 = 2,421.36/x
  3. Step 3: Cross multiply
    4,371.36x = 6,558.90 × 2,421.36
  4. Step 4: Simplify right side
    4,371.36x = 15,881,458.10
  5. Step 5: Solve for x
    x = 15,881,458.10/4,371.36
  6. Step 6: Final answer
    x = 3,633.07

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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.