Home / 4,276.80-6,411.15-1,353.51

Finding the Fourth Proportional to 4,276.80, 6,411.15 and 1,353.51

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Solution

The fourth proportional to 4,276.80, 6,411.15 and 1,353.51 is: 2,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.80 : 6,411.15 = 1,353.51 : x
  2. Step 2: Convert to fraction form
    4,276.80/6,411.15 = 1,353.51/x
  3. Step 3: Cross multiply
    4,276.80x = 6,411.15 × 1,353.51
  4. Step 4: Simplify right side
    4,276.80x = 8,677,555.64
  5. Step 5: Solve for x
    x = 8,677,555.64/4,276.80
  6. Step 6: Final answer
    x = 2,028.98

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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.