Home / 5,056.19-6,976.89-2,817.90

Finding the Fourth Proportional to 5,056.19, 6,976.89 and 2,817.90

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Solution

The fourth proportional to 5,056.19, 6,976.89 and 2,817.90 is: 3,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.19 : 6,976.89 = 2,817.90 : x
  2. Step 2: Convert to fraction form
    5,056.19/6,976.89 = 2,817.90/x
  3. Step 3: Cross multiply
    5,056.19x = 6,976.89 × 2,817.90
  4. Step 4: Simplify right side
    5,056.19x = 19,660,178.33
  5. Step 5: Solve for x
    x = 19,660,178.33/5,056.19
  6. Step 6: Final answer
    x = 3,888.34

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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.