Home / 5,330.96-7,981.40-2,826.44

Finding the Fourth Proportional to 5,330.96, 7,981.40 and 2,826.44

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Solution

The fourth proportional to 5,330.96, 7,981.40 and 2,826.44 is: 4,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.96 : 7,981.40 = 2,826.44 : x
  2. Step 2: Convert to fraction form
    5,330.96/7,981.40 = 2,826.44/x
  3. Step 3: Cross multiply
    5,330.96x = 7,981.40 × 2,826.44
  4. Step 4: Simplify right side
    5,330.96x = 22,558,948.22
  5. Step 5: Solve for x
    x = 22,558,948.22/5,330.96
  6. Step 6: Final answer
    x = 4,231.69

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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.