Home / 4,358.39-6,538.40-1,436.81

Finding the Fourth Proportional to 4,358.39, 6,538.40 and 1,436.81

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Solution

The fourth proportional to 4,358.39, 6,538.40 and 1,436.81 is: 2,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.39 : 6,538.40 = 1,436.81 : x
  2. Step 2: Convert to fraction form
    4,358.39/6,538.40 = 1,436.81/x
  3. Step 3: Cross multiply
    4,358.39x = 6,538.40 × 1,436.81
  4. Step 4: Simplify right side
    4,358.39x = 9,394,438.50
  5. Step 5: Solve for x
    x = 9,394,438.50/4,358.39
  6. Step 6: Final answer
    x = 2,155.48

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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.