Home / 7,887.36-11,829.78-4,726.56

Finding the Fourth Proportional to 7,887.36, 11,829.78 and 4,726.56

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Solution

The fourth proportional to 7,887.36, 11,829.78 and 4,726.56 is: 7,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.36 : 11,829.78 = 4,726.56 : x
  2. Step 2: Convert to fraction form
    7,887.36/11,829.78 = 4,726.56/x
  3. Step 3: Cross multiply
    7,887.36x = 11,829.78 × 4,726.56
  4. Step 4: Simplify right side
    7,887.36x = 55,914,164.96
  5. Step 5: Solve for x
    x = 55,914,164.96/7,887.36
  6. Step 6: Final answer
    x = 7,089.08

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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.