Home / 4,705.58-7,057.56-1,419.68

Finding the Fourth Proportional to 4,705.58, 7,057.56 and 1,419.68

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Solution

The fourth proportional to 4,705.58, 7,057.56 and 1,419.68 is: 2,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.58 : 7,057.56 = 1,419.68 : x
  2. Step 2: Convert to fraction form
    4,705.58/7,057.56 = 1,419.68/x
  3. Step 3: Cross multiply
    4,705.58x = 7,057.56 × 1,419.68
  4. Step 4: Simplify right side
    4,705.58x = 10,019,476.78
  5. Step 5: Solve for x
    x = 10,019,476.78/4,705.58
  6. Step 6: Final answer
    x = 2,129.28

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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.