Home / 7,090.92-10,632.82-4,130.34

Finding the Fourth Proportional to 7,090.92, 10,632.82 and 4,130.34

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Solution

The fourth proportional to 7,090.92, 10,632.82 and 4,130.34 is: 6,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.92 : 10,632.82 = 4,130.34 : x
  2. Step 2: Convert to fraction form
    7,090.92/10,632.82 = 4,130.34/x
  3. Step 3: Cross multiply
    7,090.92x = 10,632.82 × 4,130.34
  4. Step 4: Simplify right side
    7,090.92x = 43,917,161.76
  5. Step 5: Solve for x
    x = 43,917,161.76/7,090.92
  6. Step 6: Final answer
    x = 6,193.44

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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.