Home / 6,519.21-9,780.26-2,077.17

Finding the Fourth Proportional to 6,519.21, 9,780.26 and 2,077.17

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Solution

The fourth proportional to 6,519.21, 9,780.26 and 2,077.17 is: 3,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.21 : 9,780.26 = 2,077.17 : x
  2. Step 2: Convert to fraction form
    6,519.21/9,780.26 = 2,077.17/x
  3. Step 3: Cross multiply
    6,519.21x = 9,780.26 × 2,077.17
  4. Step 4: Simplify right side
    6,519.21x = 20,315,252.28
  5. Step 5: Solve for x
    x = 20,315,252.28/6,519.21
  6. Step 6: Final answer
    x = 3,116.21

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1.5x scale

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.