Home / 7,773.48-11,665.68-3,392.19

Finding the Fourth Proportional to 7,773.48, 11,665.68 and 3,392.19

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Solution

The fourth proportional to 7,773.48, 11,665.68 and 3,392.19 is: 5,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.48 : 11,665.68 = 3,392.19 : x
  2. Step 2: Convert to fraction form
    7,773.48/11,665.68 = 3,392.19/x
  3. Step 3: Cross multiply
    7,773.48x = 11,665.68 × 3,392.19
  4. Step 4: Simplify right side
    7,773.48x = 39,572,203.04
  5. Step 5: Solve for x
    x = 39,572,203.04/7,773.48
  6. Step 6: Final answer
    x = 5,090.67

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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.