Home / 4,913.60-6,780.64-2,675.52

Finding the Fourth Proportional to 4,913.60, 6,780.64 and 2,675.52

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Solution

The fourth proportional to 4,913.60, 6,780.64 and 2,675.52 is: 3,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.60 : 6,780.64 = 2,675.52 : x
  2. Step 2: Convert to fraction form
    4,913.60/6,780.64 = 2,675.52/x
  3. Step 3: Cross multiply
    4,913.60x = 6,780.64 × 2,675.52
  4. Step 4: Simplify right side
    4,913.60x = 18,141,737.93
  5. Step 5: Solve for x
    x = 18,141,737.93/4,913.60
  6. Step 6: Final answer
    x = 3,692.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.