Home / 4,935.25-7,402.88-1,287.25

Finding the Fourth Proportional to 4,935.25, 7,402.88 and 1,287.25

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Solution

The fourth proportional to 4,935.25, 7,402.88 and 1,287.25 is: 1,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.25 : 7,402.88 = 1,287.25 : x
  2. Step 2: Convert to fraction form
    4,935.25/7,402.88 = 1,287.25/x
  3. Step 3: Cross multiply
    4,935.25x = 7,402.88 × 1,287.25
  4. Step 4: Simplify right side
    4,935.25x = 9,529,350.84
  5. Step 5: Solve for x
    x = 9,529,350.84/4,935.25
  6. Step 6: Final answer
    x = 1,930.88

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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.