Home / 7,410.21-10,229.80-5,727.81

Finding the Fourth Proportional to 7,410.21, 10,229.80 and 5,727.81

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Solution

The fourth proportional to 7,410.21, 10,229.80 and 5,727.81 is: 7,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.21 : 10,229.80 = 5,727.81 : x
  2. Step 2: Convert to fraction form
    7,410.21/10,229.80 = 5,727.81/x
  3. Step 3: Cross multiply
    7,410.21x = 10,229.80 × 5,727.81
  4. Step 4: Simplify right side
    7,410.21x = 58,594,350.74
  5. Step 5: Solve for x
    x = 58,594,350.74/7,410.21
  6. Step 6: Final answer
    x = 7,907.25

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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.