Home / 7,895.48-11,844.39-2,628.77

Finding the Fourth Proportional to 7,895.48, 11,844.39 and 2,628.77

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Solution

The fourth proportional to 7,895.48, 11,844.39 and 2,628.77 is: 3,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.48 : 11,844.39 = 2,628.77 : x
  2. Step 2: Convert to fraction form
    7,895.48/11,844.39 = 2,628.77/x
  3. Step 3: Cross multiply
    7,895.48x = 11,844.39 × 2,628.77
  4. Step 4: Simplify right side
    7,895.48x = 31,136,177.10
  5. Step 5: Solve for x
    x = 31,136,177.10/7,895.48
  6. Step 6: Final answer
    x = 3,943.54

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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.