Home / 4,213.89-5,812.83-2,445.30

Finding the Fourth Proportional to 4,213.89, 5,812.83 and 2,445.30

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Solution

The fourth proportional to 4,213.89, 5,812.83 and 2,445.30 is: 3,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.89 : 5,812.83 = 2,445.30 : x
  2. Step 2: Convert to fraction form
    4,213.89/5,812.83 = 2,445.30/x
  3. Step 3: Cross multiply
    4,213.89x = 5,812.83 × 2,445.30
  4. Step 4: Simplify right side
    4,213.89x = 14,214,113.20
  5. Step 5: Solve for x
    x = 14,214,113.20/4,213.89
  6. Step 6: Final answer
    x = 3,373.16

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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.