Home / 4,276.20-6,415.20-1,354.50

Finding the Fourth Proportional to 4,276.20, 6,415.20 and 1,354.50

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Solution

The fourth proportional to 4,276.20, 6,415.20 and 1,354.50 is: 2,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.20 : 6,415.20 = 1,354.50 : x
  2. Step 2: Convert to fraction form
    4,276.20/6,415.20 = 1,354.50/x
  3. Step 3: Cross multiply
    4,276.20x = 6,415.20 × 1,354.50
  4. Step 4: Simplify right side
    4,276.20x = 8,689,388.40
  5. Step 5: Solve for x
    x = 8,689,388.40/4,276.20
  6. Step 6: Final answer
    x = 2,032.04

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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.