Home / 4,281.40-6,422.03-1,359.67

Finding the Fourth Proportional to 4,281.40, 6,422.03 and 1,359.67

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Solution

The fourth proportional to 4,281.40, 6,422.03 and 1,359.67 is: 2,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.40 : 6,422.03 = 1,359.67 : x
  2. Step 2: Convert to fraction form
    4,281.40/6,422.03 = 1,359.67/x
  3. Step 3: Cross multiply
    4,281.40x = 6,422.03 × 1,359.67
  4. Step 4: Simplify right side
    4,281.40x = 8,731,802.62
  5. Step 5: Solve for x
    x = 8,731,802.62/4,281.40
  6. Step 6: Final answer
    x = 2,039.48

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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.