Home / 5,243.50-7,236.03-2,885.63

Finding the Fourth Proportional to 5,243.50, 7,236.03 and 2,885.63

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Solution

The fourth proportional to 5,243.50, 7,236.03 and 2,885.63 is: 3,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.50 : 7,236.03 = 2,885.63 : x
  2. Step 2: Convert to fraction form
    5,243.50/7,236.03 = 2,885.63/x
  3. Step 3: Cross multiply
    5,243.50x = 7,236.03 × 2,885.63
  4. Step 4: Simplify right side
    5,243.50x = 20,880,479.89
  5. Step 5: Solve for x
    x = 20,880,479.89/5,243.50
  6. Step 6: Final answer
    x = 3,982.16

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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.