Home / 4,612.96-6,918-2,015.20

Finding the Fourth Proportional to 4,612.96, 6,918 and 2,015.20

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Solution

The fourth proportional to 4,612.96, 6,918 and 2,015.20 is: 3,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.96 : 6,918 = 2,015.20 : x
  2. Step 2: Convert to fraction form
    4,612.96/6,918 = 2,015.20/x
  3. Step 3: Cross multiply
    4,612.96x = 6,918 × 2,015.20
  4. Step 4: Simplify right side
    4,612.96x = 13,941,153.60
  5. Step 5: Solve for x
    x = 13,941,153.60/4,612.96
  6. Step 6: Final answer
    x = 3,022.17

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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.