Home / 9,176.77-13,765.74-3,908.80

Finding the Fourth Proportional to 9,176.77, 13,765.74 and 3,908.80

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Solution

The fourth proportional to 9,176.77, 13,765.74 and 3,908.80 is: 5,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.77 : 13,765.74 = 3,908.80 : x
  2. Step 2: Convert to fraction form
    9,176.77/13,765.74 = 3,908.80/x
  3. Step 3: Cross multiply
    9,176.77x = 13,765.74 × 3,908.80
  4. Step 4: Simplify right side
    9,176.77x = 53,807,524.51
  5. Step 5: Solve for x
    x = 53,807,524.51/9,176.77
  6. Step 6: Final answer
    x = 5,863.45

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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.