Home / 4,428.33-6,643.59-1,308.32

Finding the Fourth Proportional to 4,428.33, 6,643.59 and 1,308.32

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Solution

The fourth proportional to 4,428.33, 6,643.59 and 1,308.32 is: 1,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.33 : 6,643.59 = 1,308.32 : x
  2. Step 2: Convert to fraction form
    4,428.33/6,643.59 = 1,308.32/x
  3. Step 3: Cross multiply
    4,428.33x = 6,643.59 × 1,308.32
  4. Step 4: Simplify right side
    4,428.33x = 8,691,935.13
  5. Step 5: Solve for x
    x = 8,691,935.13/4,428.33
  6. Step 6: Final answer
    x = 1,962.80

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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.