Home / 7,740.35-11,610.52-1,896.91

Finding the Fourth Proportional to 7,740.35, 11,610.52 and 1,896.91

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Solution

The fourth proportional to 7,740.35, 11,610.52 and 1,896.91 is: 2,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.35 : 11,610.52 = 1,896.91 : x
  2. Step 2: Convert to fraction form
    7,740.35/11,610.52 = 1,896.91/x
  3. Step 3: Cross multiply
    7,740.35x = 11,610.52 × 1,896.91
  4. Step 4: Simplify right side
    7,740.35x = 22,024,111.49
  5. Step 5: Solve for x
    x = 22,024,111.49/7,740.35
  6. Step 6: Final answer
    x = 2,845.36

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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.