Home / 7,430.38-11,145.94-1,883.77

Finding the Fourth Proportional to 7,430.38, 11,145.94 and 1,883.77

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Solution

The fourth proportional to 7,430.38, 11,145.94 and 1,883.77 is: 2,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.38 : 11,145.94 = 1,883.77 : x
  2. Step 2: Convert to fraction form
    7,430.38/11,145.94 = 1,883.77/x
  3. Step 3: Cross multiply
    7,430.38x = 11,145.94 × 1,883.77
  4. Step 4: Simplify right side
    7,430.38x = 20,996,354.82
  5. Step 5: Solve for x
    x = 20,996,354.82/7,430.38
  6. Step 6: Final answer
    x = 2,825.75

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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.