Home / 4,220.75-6,328.96-2,247.50

Finding the Fourth Proportional to 4,220.75, 6,328.96 and 2,247.50

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Solution

The fourth proportional to 4,220.75, 6,328.96 and 2,247.50 is: 3,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.75 : 6,328.96 = 2,247.50 : x
  2. Step 2: Convert to fraction form
    4,220.75/6,328.96 = 2,247.50/x
  3. Step 3: Cross multiply
    4,220.75x = 6,328.96 × 2,247.50
  4. Step 4: Simplify right side
    4,220.75x = 14,224,332.50
  5. Step 5: Solve for x
    x = 14,224,332.50/4,220.75
  6. Step 6: Final answer
    x = 3,370.10

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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.