Home / 8,014.40-11,055.84-5,361.92

Finding the Fourth Proportional to 8,014.40, 11,055.84 and 5,361.92

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Solution

The fourth proportional to 8,014.40, 11,055.84 and 5,361.92 is: 7,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.40 : 11,055.84 = 5,361.92 : x
  2. Step 2: Convert to fraction form
    8,014.40/11,055.84 = 5,361.92/x
  3. Step 3: Cross multiply
    8,014.40x = 11,055.84 × 5,361.92
  4. Step 4: Simplify right side
    8,014.40x = 59,280,529.61
  5. Step 5: Solve for x
    x = 59,280,529.61/8,014.40
  6. Step 6: Final answer
    x = 7,396.75

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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.