Home / 4,812.10-7,220.85-2,038.30

Finding the Fourth Proportional to 4,812.10, 7,220.85 and 2,038.30

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Solution

The fourth proportional to 4,812.10, 7,220.85 and 2,038.30 is: 3,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.10 : 7,220.85 = 2,038.30 : x
  2. Step 2: Convert to fraction form
    4,812.10/7,220.85 = 2,038.30/x
  3. Step 3: Cross multiply
    4,812.10x = 7,220.85 × 2,038.30
  4. Step 4: Simplify right side
    4,812.10x = 14,718,258.56
  5. Step 5: Solve for x
    x = 14,718,258.56/4,812.10
  6. Step 6: Final answer
    x = 3,058.59

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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.