Home / 4,816.17-7,219.35-1,890.45

Finding the Fourth Proportional to 4,816.17, 7,219.35 and 1,890.45

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Solution

The fourth proportional to 4,816.17, 7,219.35 and 1,890.45 is: 2,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.17 : 7,219.35 = 1,890.45 : x
  2. Step 2: Convert to fraction form
    4,816.17/7,219.35 = 1,890.45/x
  3. Step 3: Cross multiply
    4,816.17x = 7,219.35 × 1,890.45
  4. Step 4: Simplify right side
    4,816.17x = 13,647,820.21
  5. Step 5: Solve for x
    x = 13,647,820.21/4,816.17
  6. Step 6: Final answer
    x = 2,833.75

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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.