Home / 4,828.24-7,240.80-1,541.20

Finding the Fourth Proportional to 4,828.24, 7,240.80 and 1,541.20

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Solution

The fourth proportional to 4,828.24, 7,240.80 and 1,541.20 is: 2,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.24 : 7,240.80 = 1,541.20 : x
  2. Step 2: Convert to fraction form
    4,828.24/7,240.80 = 1,541.20/x
  3. Step 3: Cross multiply
    4,828.24x = 7,240.80 × 1,541.20
  4. Step 4: Simplify right side
    4,828.24x = 11,159,520.96
  5. Step 5: Solve for x
    x = 11,159,520.96/4,828.24
  6. Step 6: Final answer
    x = 2,311.30

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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.