Home / 8,740.32-13,110.80-3,803.20

Finding the Fourth Proportional to 8,740.32, 13,110.80 and 3,803.20

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Solution

The fourth proportional to 8,740.32, 13,110.80 and 3,803.20 is: 5,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.32 : 13,110.80 = 3,803.20 : x
  2. Step 2: Convert to fraction form
    8,740.32/13,110.80 = 3,803.20/x
  3. Step 3: Cross multiply
    8,740.32x = 13,110.80 × 3,803.20
  4. Step 4: Simplify right side
    8,740.32x = 49,862,994.56
  5. Step 5: Solve for x
    x = 49,862,994.56/8,740.32
  6. Step 6: Final answer
    x = 5,704.94

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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.