Home / 6,683.46-9,219.60-4,321.50

Finding the Fourth Proportional to 6,683.46, 9,219.60 and 4,321.50

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Solution

The fourth proportional to 6,683.46, 9,219.60 and 4,321.50 is: 5,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.46 : 9,219.60 = 4,321.50 : x
  2. Step 2: Convert to fraction form
    6,683.46/9,219.60 = 4,321.50/x
  3. Step 3: Cross multiply
    6,683.46x = 9,219.60 × 4,321.50
  4. Step 4: Simplify right side
    6,683.46x = 39,842,501.40
  5. Step 5: Solve for x
    x = 39,842,501.40/6,683.46
  6. Step 6: Final answer
    x = 5,961.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.