Home / 4,469.85-6,705.45-1,547.78

Finding the Fourth Proportional to 4,469.85, 6,705.45 and 1,547.78

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Solution

The fourth proportional to 4,469.85, 6,705.45 and 1,547.78 is: 2,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.85 : 6,705.45 = 1,547.78 : x
  2. Step 2: Convert to fraction form
    4,469.85/6,705.45 = 1,547.78/x
  3. Step 3: Cross multiply
    4,469.85x = 6,705.45 × 1,547.78
  4. Step 4: Simplify right side
    4,469.85x = 10,378,527.87
  5. Step 5: Solve for x
    x = 10,378,527.87/4,469.85
  6. Step 6: Final answer
    x = 2,321.90

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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.