Home / 4,277.81-6,416.52-1,355.74

Finding the Fourth Proportional to 4,277.81, 6,416.52 and 1,355.74

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Solution

The fourth proportional to 4,277.81, 6,416.52 and 1,355.74 is: 2,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.81 : 6,416.52 = 1,355.74 : x
  2. Step 2: Convert to fraction form
    4,277.81/6,416.52 = 1,355.74/x
  3. Step 3: Cross multiply
    4,277.81x = 6,416.52 × 1,355.74
  4. Step 4: Simplify right side
    4,277.81x = 8,699,111.70
  5. Step 5: Solve for x
    x = 8,699,111.70/4,277.81
  6. Step 6: Final answer
    x = 2,033.54

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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.