Home / 7,422.53-11,133.79-1,875.89

Finding the Fourth Proportional to 7,422.53, 11,133.79 and 1,875.89

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Solution

The fourth proportional to 7,422.53, 11,133.79 and 1,875.89 is: 2,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.53 : 11,133.79 = 1,875.89 : x
  2. Step 2: Convert to fraction form
    7,422.53/11,133.79 = 1,875.89/x
  3. Step 3: Cross multiply
    7,422.53x = 11,133.79 × 1,875.89
  4. Step 4: Simplify right side
    7,422.53x = 20,885,704.96
  5. Step 5: Solve for x
    x = 20,885,704.96/7,422.53
  6. Step 6: Final answer
    x = 2,813.83

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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.