Home / 7,933.36-11,899.68-3,316

Finding the Fourth Proportional to 7,933.36, 11,899.68 and 3,316

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Solution

The fourth proportional to 7,933.36, 11,899.68 and 3,316 is: 4,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.36 : 11,899.68 = 3,316 : x
  2. Step 2: Convert to fraction form
    7,933.36/11,899.68 = 3,316/x
  3. Step 3: Cross multiply
    7,933.36x = 11,899.68 × 3,316
  4. Step 4: Simplify right side
    7,933.36x = 39,459,338.88
  5. Step 5: Solve for x
    x = 39,459,338.88/7,933.36
  6. Step 6: Final answer
    x = 4,973.85

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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.