Home / 7,924.96-11,887.41-2,378.28

Finding the Fourth Proportional to 7,924.96, 11,887.41 and 2,378.28

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Solution

The fourth proportional to 7,924.96, 11,887.41 and 2,378.28 is: 3,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.96 : 11,887.41 = 2,378.28 : x
  2. Step 2: Convert to fraction form
    7,924.96/11,887.41 = 2,378.28/x
  3. Step 3: Cross multiply
    7,924.96x = 11,887.41 × 2,378.28
  4. Step 4: Simplify right side
    7,924.96x = 28,271,562.71
  5. Step 5: Solve for x
    x = 28,271,562.71/7,924.96
  6. Step 6: Final answer
    x = 3,567.41

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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.