Home / 4,096.89-6,145.36-1,247.40

Finding the Fourth Proportional to 4,096.89, 6,145.36 and 1,247.40

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Solution

The fourth proportional to 4,096.89, 6,145.36 and 1,247.40 is: 1,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,096.89 : 6,145.36 = 1,247.40 : x
  2. Step 2: Convert to fraction form
    4,096.89/6,145.36 = 1,247.40/x
  3. Step 3: Cross multiply
    4,096.89x = 6,145.36 × 1,247.40
  4. Step 4: Simplify right side
    4,096.89x = 7,665,722.06
  5. Step 5: Solve for x
    x = 7,665,722.06/4,096.89
  6. Step 6: Final answer
    x = 1,871.11

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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.