Home / 7,788.18-11,675.73-3,402.30

Finding the Fourth Proportional to 7,788.18, 11,675.73 and 3,402.30

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Solution

The fourth proportional to 7,788.18, 11,675.73 and 3,402.30 is: 5,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.18 : 11,675.73 = 3,402.30 : x
  2. Step 2: Convert to fraction form
    7,788.18/11,675.73 = 3,402.30/x
  3. Step 3: Cross multiply
    7,788.18x = 11,675.73 × 3,402.30
  4. Step 4: Simplify right side
    7,788.18x = 39,724,336.18
  5. Step 5: Solve for x
    x = 39,724,336.18/7,788.18
  6. Step 6: Final answer
    x = 5,100.59

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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.