Home / 5,065.19-6,990.31-2,827.50

Finding the Fourth Proportional to 5,065.19, 6,990.31 and 2,827.50

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Solution

The fourth proportional to 5,065.19, 6,990.31 and 2,827.50 is: 3,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.19 : 6,990.31 = 2,827.50 : x
  2. Step 2: Convert to fraction form
    5,065.19/6,990.31 = 2,827.50/x
  3. Step 3: Cross multiply
    5,065.19x = 6,990.31 × 2,827.50
  4. Step 4: Simplify right side
    5,065.19x = 19,765,076.98
  5. Step 5: Solve for x
    x = 19,765,076.98/5,065.19
  6. Step 6: Final answer
    x = 3,902.14

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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.