Home / 7,223.50-9,968.67-4,428.46

Finding the Fourth Proportional to 7,223.50, 9,968.67 and 4,428.46

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Solution

The fourth proportional to 7,223.50, 9,968.67 and 4,428.46 is: 6,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.50 : 9,968.67 = 4,428.46 : x
  2. Step 2: Convert to fraction form
    7,223.50/9,968.67 = 4,428.46/x
  3. Step 3: Cross multiply
    7,223.50x = 9,968.67 × 4,428.46
  4. Step 4: Simplify right side
    7,223.50x = 44,145,856.35
  5. Step 5: Solve for x
    x = 44,145,856.35/7,223.50
  6. Step 6: Final answer
    x = 6,111.42

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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.