Home / 7,203.21-9,940.10-4,016.85

Finding the Fourth Proportional to 7,203.21, 9,940.10 and 4,016.85

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Solution

The fourth proportional to 7,203.21, 9,940.10 and 4,016.85 is: 5,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.21 : 9,940.10 = 4,016.85 : x
  2. Step 2: Convert to fraction form
    7,203.21/9,940.10 = 4,016.85/x
  3. Step 3: Cross multiply
    7,203.21x = 9,940.10 × 4,016.85
  4. Step 4: Simplify right side
    7,203.21x = 39,927,870.60
  5. Step 5: Solve for x
    x = 39,927,870.60/7,203.21
  6. Step 6: Final answer
    x = 5,543.07

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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.