Home / 4,809.42-7,215.75-2,343.78

Finding the Fourth Proportional to 4,809.42, 7,215.75 and 2,343.78

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Solution

The fourth proportional to 4,809.42, 7,215.75 and 2,343.78 is: 3,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.42 : 7,215.75 = 2,343.78 : x
  2. Step 2: Convert to fraction form
    4,809.42/7,215.75 = 2,343.78/x
  3. Step 3: Cross multiply
    4,809.42x = 7,215.75 × 2,343.78
  4. Step 4: Simplify right side
    4,809.42x = 16,912,130.54
  5. Step 5: Solve for x
    x = 16,912,130.54/4,809.42
  6. Step 6: Final answer
    x = 3,516.46

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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.