Home / 4,905.16-6,770.58-2,810.68

Finding the Fourth Proportional to 4,905.16, 6,770.58 and 2,810.68

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Solution

The fourth proportional to 4,905.16, 6,770.58 and 2,810.68 is: 3,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.16 : 6,770.58 = 2,810.68 : x
  2. Step 2: Convert to fraction form
    4,905.16/6,770.58 = 2,810.68/x
  3. Step 3: Cross multiply
    4,905.16x = 6,770.58 × 2,810.68
  4. Step 4: Simplify right side
    4,905.16x = 19,029,933.79
  5. Step 5: Solve for x
    x = 19,029,933.79/4,905.16
  6. Step 6: Final answer
    x = 3,879.57

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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.