Home / 4,126.46-6,189.70-1,204.78

Finding the Fourth Proportional to 4,126.46, 6,189.70 and 1,204.78

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Solution

The fourth proportional to 4,126.46, 6,189.70 and 1,204.78 is: 1,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.46 : 6,189.70 = 1,204.78 : x
  2. Step 2: Convert to fraction form
    4,126.46/6,189.70 = 1,204.78/x
  3. Step 3: Cross multiply
    4,126.46x = 6,189.70 × 1,204.78
  4. Step 4: Simplify right side
    4,126.46x = 7,457,226.77
  5. Step 5: Solve for x
    x = 7,457,226.77/4,126.46
  6. Step 6: Final answer
    x = 1,807.17

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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.