Home / 4,705.12-7,057.68-1,627.12

Finding the Fourth Proportional to 4,705.12, 7,057.68 and 1,627.12

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Solution

The fourth proportional to 4,705.12, 7,057.68 and 1,627.12 is: 2,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.12 : 7,057.68 = 1,627.12 : x
  2. Step 2: Convert to fraction form
    4,705.12/7,057.68 = 1,627.12/x
  3. Step 3: Cross multiply
    4,705.12x = 7,057.68 × 1,627.12
  4. Step 4: Simplify right side
    4,705.12x = 11,483,692.28
  5. Step 5: Solve for x
    x = 11,483,692.28/4,705.12
  6. Step 6: Final answer
    x = 2,440.68

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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.