Home / 7,419.53-11,130.04-2,740.77

Finding the Fourth Proportional to 7,419.53, 11,130.04 and 2,740.77

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Solution

The fourth proportional to 7,419.53, 11,130.04 and 2,740.77 is: 4,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.53 : 11,130.04 = 2,740.77 : x
  2. Step 2: Convert to fraction form
    7,419.53/11,130.04 = 2,740.77/x
  3. Step 3: Cross multiply
    7,419.53x = 11,130.04 × 2,740.77
  4. Step 4: Simplify right side
    7,419.53x = 30,504,883.16
  5. Step 5: Solve for x
    x = 30,504,883.16/7,419.53
  6. Step 6: Final answer
    x = 4,111.43

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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.