Home / 4,188.60-6,281.06-1,266.35

Finding the Fourth Proportional to 4,188.60, 6,281.06 and 1,266.35

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Solution

The fourth proportional to 4,188.60, 6,281.06 and 1,266.35 is: 1,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.60 : 6,281.06 = 1,266.35 : x
  2. Step 2: Convert to fraction form
    4,188.60/6,281.06 = 1,266.35/x
  3. Step 3: Cross multiply
    4,188.60x = 6,281.06 × 1,266.35
  4. Step 4: Simplify right side
    4,188.60x = 7,953,982.59
  5. Step 5: Solve for x
    x = 7,953,982.59/4,188.60
  6. Step 6: Final answer
    x = 1,898.96

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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.