Home / 7,086-9,756.36-6,021.66

Finding the Fourth Proportional to 7,086, 9,756.36 and 6,021.66

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Solution

The fourth proportional to 7,086, 9,756.36 and 6,021.66 is: 8,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086 : 9,756.36 = 6,021.66 : x
  2. Step 2: Convert to fraction form
    7,086/9,756.36 = 6,021.66/x
  3. Step 3: Cross multiply
    7,086x = 9,756.36 × 6,021.66
  4. Step 4: Simplify right side
    7,086x = 58,749,482.76
  5. Step 5: Solve for x
    x = 58,749,482.76/7,086
  6. Step 6: Final answer
    x = 8,290.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.