Home / 4,188.96-6,283.74-1,267.50

Finding the Fourth Proportional to 4,188.96, 6,283.74 and 1,267.50

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Solution

The fourth proportional to 4,188.96, 6,283.74 and 1,267.50 is: 1,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.96 : 6,283.74 = 1,267.50 : x
  2. Step 2: Convert to fraction form
    4,188.96/6,283.74 = 1,267.50/x
  3. Step 3: Cross multiply
    4,188.96x = 6,283.74 × 1,267.50
  4. Step 4: Simplify right side
    4,188.96x = 7,964,640.45
  5. Step 5: Solve for x
    x = 7,964,640.45/4,188.96
  6. Step 6: Final answer
    x = 1,901.34

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1.5x scale

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.