Home / 4,437.58-6,639.89-2,786.40

Finding the Fourth Proportional to 4,437.58, 6,639.89 and 2,786.40

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Solution

The fourth proportional to 4,437.58, 6,639.89 and 2,786.40 is: 4,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.58 : 6,639.89 = 2,786.40 : x
  2. Step 2: Convert to fraction form
    4,437.58/6,639.89 = 2,786.40/x
  3. Step 3: Cross multiply
    4,437.58x = 6,639.89 × 2,786.40
  4. Step 4: Simplify right side
    4,437.58x = 18,501,389.50
  5. Step 5: Solve for x
    x = 18,501,389.50/4,437.58
  6. Step 6: Final answer
    x = 4,169.25

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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.