Home / 4,826.40-7,240.35-1,539.18

Finding the Fourth Proportional to 4,826.40, 7,240.35 and 1,539.18

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Solution

The fourth proportional to 4,826.40, 7,240.35 and 1,539.18 is: 2,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.40 : 7,240.35 = 1,539.18 : x
  2. Step 2: Convert to fraction form
    4,826.40/7,240.35 = 1,539.18/x
  3. Step 3: Cross multiply
    4,826.40x = 7,240.35 × 1,539.18
  4. Step 4: Simplify right side
    4,826.40x = 11,144,201.91
  5. Step 5: Solve for x
    x = 11,144,201.91/4,826.40
  6. Step 6: Final answer
    x = 2,309.01

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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.