Home / 5,065.21-6,989.97-2,827.07

Finding the Fourth Proportional to 5,065.21, 6,989.97 and 2,827.07

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Solution

The fourth proportional to 5,065.21, 6,989.97 and 2,827.07 is: 3,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.21 : 6,989.97 = 2,827.07 : x
  2. Step 2: Convert to fraction form
    5,065.21/6,989.97 = 2,827.07/x
  3. Step 3: Cross multiply
    5,065.21x = 6,989.97 × 2,827.07
  4. Step 4: Simplify right side
    5,065.21x = 19,761,134.49
  5. Step 5: Solve for x
    x = 19,761,134.49/5,065.21
  6. Step 6: Final answer
    x = 3,901.35

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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.