Home / 4,528.40-6,775.32-2,992.40

Finding the Fourth Proportional to 4,528.40, 6,775.32 and 2,992.40

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Solution

The fourth proportional to 4,528.40, 6,775.32 and 2,992.40 is: 4,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.40 : 6,775.32 = 2,992.40 : x
  2. Step 2: Convert to fraction form
    4,528.40/6,775.32 = 2,992.40/x
  3. Step 3: Cross multiply
    4,528.40x = 6,775.32 × 2,992.40
  4. Step 4: Simplify right side
    4,528.40x = 20,274,467.57
  5. Step 5: Solve for x
    x = 20,274,467.57/4,528.40
  6. Step 6: Final answer
    x = 4,477.18

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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.