Home / 4,813.30-7,219.20-1,527.20

Finding the Fourth Proportional to 4,813.30, 7,219.20 and 1,527.20

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Solution

The fourth proportional to 4,813.30, 7,219.20 and 1,527.20 is: 2,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.30 : 7,219.20 = 1,527.20 : x
  2. Step 2: Convert to fraction form
    4,813.30/7,219.20 = 1,527.20/x
  3. Step 3: Cross multiply
    4,813.30x = 7,219.20 × 1,527.20
  4. Step 4: Simplify right side
    4,813.30x = 11,025,162.24
  5. Step 5: Solve for x
    x = 11,025,162.24/4,813.30
  6. Step 6: Final answer
    x = 2,290.56

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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.