Home / 7,827.78-11,733.77-4,908.14

Finding the Fourth Proportional to 7,827.78, 11,733.77 and 4,908.14

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Solution

The fourth proportional to 7,827.78, 11,733.77 and 4,908.14 is: 7,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.78 : 11,733.77 = 4,908.14 : x
  2. Step 2: Convert to fraction form
    7,827.78/11,733.77 = 4,908.14/x
  3. Step 3: Cross multiply
    7,827.78x = 11,733.77 × 4,908.14
  4. Step 4: Simplify right side
    7,827.78x = 57,590,939.49
  5. Step 5: Solve for x
    x = 57,590,939.49/7,827.78
  6. Step 6: Final answer
    x = 7,357.25

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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.