Home / 8,883.05-13,325.28-5,185.65

Finding the Fourth Proportional to 8,883.05, 13,325.28 and 5,185.65

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Solution

The fourth proportional to 8,883.05, 13,325.28 and 5,185.65 is: 7,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.05 : 13,325.28 = 5,185.65 : x
  2. Step 2: Convert to fraction form
    8,883.05/13,325.28 = 5,185.65/x
  3. Step 3: Cross multiply
    8,883.05x = 13,325.28 × 5,185.65
  4. Step 4: Simplify right side
    8,883.05x = 69,100,312.51
  5. Step 5: Solve for x
    x = 69,100,312.51/8,883.05
  6. Step 6: Final answer
    x = 7,778.89

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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.