Home / 4,157.90-6,237.85-1,384.60

Finding the Fourth Proportional to 4,157.90, 6,237.85 and 1,384.60

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Solution

The fourth proportional to 4,157.90, 6,237.85 and 1,384.60 is: 2,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.90 : 6,237.85 = 1,384.60 : x
  2. Step 2: Convert to fraction form
    4,157.90/6,237.85 = 1,384.60/x
  3. Step 3: Cross multiply
    4,157.90x = 6,237.85 × 1,384.60
  4. Step 4: Simplify right side
    4,157.90x = 8,636,928.84
  5. Step 5: Solve for x
    x = 8,636,928.84/4,157.90
  6. Step 6: Final answer
    x = 2,077.23

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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.