Home / 4,905.92-6,770.35-2,810.45

Finding the Fourth Proportional to 4,905.92, 6,770.35 and 2,810.45

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Solution

The fourth proportional to 4,905.92, 6,770.35 and 2,810.45 is: 3,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.92 : 6,770.35 = 2,810.45 : x
  2. Step 2: Convert to fraction form
    4,905.92/6,770.35 = 2,810.45/x
  3. Step 3: Cross multiply
    4,905.92x = 6,770.35 × 2,810.45
  4. Step 4: Simplify right side
    4,905.92x = 19,027,750.60
  5. Step 5: Solve for x
    x = 19,027,750.60/4,905.92
  6. Step 6: Final answer
    x = 3,878.53

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1.5x scale

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.