Home / 4,770.67-7,155.86-1,959.40

Finding the Fourth Proportional to 4,770.67, 7,155.86 and 1,959.40

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Solution

The fourth proportional to 4,770.67, 7,155.86 and 1,959.40 is: 2,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.67 : 7,155.86 = 1,959.40 : x
  2. Step 2: Convert to fraction form
    4,770.67/7,155.86 = 1,959.40/x
  3. Step 3: Cross multiply
    4,770.67x = 7,155.86 × 1,959.40
  4. Step 4: Simplify right side
    4,770.67x = 14,021,204.05
  5. Step 5: Solve for x
    x = 14,021,204.05/4,770.67
  6. Step 6: Final answer
    x = 2,939.05

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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.