Home / 8,923.04-13,387.66-3,993.20

Finding the Fourth Proportional to 8,923.04, 13,387.66 and 3,993.20

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Solution

The fourth proportional to 8,923.04, 13,387.66 and 3,993.20 is: 5,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.04 : 13,387.66 = 3,993.20 : x
  2. Step 2: Convert to fraction form
    8,923.04/13,387.66 = 3,993.20/x
  3. Step 3: Cross multiply
    8,923.04x = 13,387.66 × 3,993.20
  4. Step 4: Simplify right side
    8,923.04x = 53,459,603.91
  5. Step 5: Solve for x
    x = 53,459,603.91/8,923.04
  6. Step 6: Final answer
    x = 5,991.19

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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.