Home / 6,428.36-9,643.90-2,046.18

Finding the Fourth Proportional to 6,428.36, 9,643.90 and 2,046.18

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Solution

The fourth proportional to 6,428.36, 9,643.90 and 2,046.18 is: 3,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.36 : 9,643.90 = 2,046.18 : x
  2. Step 2: Convert to fraction form
    6,428.36/9,643.90 = 2,046.18/x
  3. Step 3: Cross multiply
    6,428.36x = 9,643.90 × 2,046.18
  4. Step 4: Simplify right side
    6,428.36x = 19,733,155.30
  5. Step 5: Solve for x
    x = 19,733,155.30/6,428.36
  6. Step 6: Final answer
    x = 3,069.70

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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.