Home / 4,724.07-7,086.86-1,603.75

Finding the Fourth Proportional to 4,724.07, 7,086.86 and 1,603.75

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Solution

The fourth proportional to 4,724.07, 7,086.86 and 1,603.75 is: 2,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.07 : 7,086.86 = 1,603.75 : x
  2. Step 2: Convert to fraction form
    4,724.07/7,086.86 = 1,603.75/x
  3. Step 3: Cross multiply
    4,724.07x = 7,086.86 × 1,603.75
  4. Step 4: Simplify right side
    4,724.07x = 11,365,534.38
  5. Step 5: Solve for x
    x = 11,365,534.38/4,724.07
  6. Step 6: Final answer
    x = 2,405.88

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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.