Home / 4,274.80-6,411.60-1,353.40

Finding the Fourth Proportional to 4,274.80, 6,411.60 and 1,353.40

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Solution

The fourth proportional to 4,274.80, 6,411.60 and 1,353.40 is: 2,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.80 : 6,411.60 = 1,353.40 : x
  2. Step 2: Convert to fraction form
    4,274.80/6,411.60 = 1,353.40/x
  3. Step 3: Cross multiply
    4,274.80x = 6,411.60 × 1,353.40
  4. Step 4: Simplify right side
    4,274.80x = 8,677,459.44
  5. Step 5: Solve for x
    x = 8,677,459.44/4,274.80
  6. Step 6: Final answer
    x = 2,029.91

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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.