Home / 6,428.16-9,642.84-2,267.70

Finding the Fourth Proportional to 6,428.16, 9,642.84 and 2,267.70

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Solution

The fourth proportional to 6,428.16, 9,642.84 and 2,267.70 is: 3,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.16 : 9,642.84 = 2,267.70 : x
  2. Step 2: Convert to fraction form
    6,428.16/9,642.84 = 2,267.70/x
  3. Step 3: Cross multiply
    6,428.16x = 9,642.84 × 2,267.70
  4. Step 4: Simplify right side
    6,428.16x = 21,867,068.27
  5. Step 5: Solve for x
    x = 21,867,068.27/6,428.16
  6. Step 6: Final answer
    x = 3,401.76

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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.