Home / 4,807.68-6,637.86-3,015.90

Finding the Fourth Proportional to 4,807.68, 6,637.86 and 3,015.90

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Solution

The fourth proportional to 4,807.68, 6,637.86 and 3,015.90 is: 4,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.68 : 6,637.86 = 3,015.90 : x
  2. Step 2: Convert to fraction form
    4,807.68/6,637.86 = 3,015.90/x
  3. Step 3: Cross multiply
    4,807.68x = 6,637.86 × 3,015.90
  4. Step 4: Simplify right side
    4,807.68x = 20,019,121.97
  5. Step 5: Solve for x
    x = 20,019,121.97/4,807.68
  6. Step 6: Final answer
    x = 4,163.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.