Home / 9,327.87-13,987.42-3,776.99

Finding the Fourth Proportional to 9,327.87, 13,987.42 and 3,776.99

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Solution

The fourth proportional to 9,327.87, 13,987.42 and 3,776.99 is: 5,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.87 : 13,987.42 = 3,776.99 : x
  2. Step 2: Convert to fraction form
    9,327.87/13,987.42 = 3,776.99/x
  3. Step 3: Cross multiply
    9,327.87x = 13,987.42 × 3,776.99
  4. Step 4: Simplify right side
    9,327.87x = 52,830,370.99
  5. Step 5: Solve for x
    x = 52,830,370.99/9,327.87
  6. Step 6: Final answer
    x = 5,663.71

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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.