Home / 4,015.12-6,022.68-1,705

Finding the Fourth Proportional to 4,015.12, 6,022.68 and 1,705

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Solution

The fourth proportional to 4,015.12, 6,022.68 and 1,705 is: 2,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.12 : 6,022.68 = 1,705 : x
  2. Step 2: Convert to fraction form
    4,015.12/6,022.68 = 1,705/x
  3. Step 3: Cross multiply
    4,015.12x = 6,022.68 × 1,705
  4. Step 4: Simplify right side
    4,015.12x = 10,268,669.40
  5. Step 5: Solve for x
    x = 10,268,669.40/4,015.12
  6. Step 6: Final answer
    x = 2,557.50

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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.