Home / 4,291.20-6,437.64-2,099.94

Finding the Fourth Proportional to 4,291.20, 6,437.64 and 2,099.94

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Solution

The fourth proportional to 4,291.20, 6,437.64 and 2,099.94 is: 3,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.20 : 6,437.64 = 2,099.94 : x
  2. Step 2: Convert to fraction form
    4,291.20/6,437.64 = 2,099.94/x
  3. Step 3: Cross multiply
    4,291.20x = 6,437.64 × 2,099.94
  4. Step 4: Simplify right side
    4,291.20x = 13,518,657.74
  5. Step 5: Solve for x
    x = 13,518,657.74/4,291.20
  6. Step 6: Final answer
    x = 3,150.32

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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.