Home / 7,821.74-10,797.54-4,992.96

Finding the Fourth Proportional to 7,821.74, 10,797.54 and 4,992.96

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Solution

The fourth proportional to 7,821.74, 10,797.54 and 4,992.96 is: 6,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.74 : 10,797.54 = 4,992.96 : x
  2. Step 2: Convert to fraction form
    7,821.74/10,797.54 = 4,992.96/x
  3. Step 3: Cross multiply
    7,821.74x = 10,797.54 × 4,992.96
  4. Step 4: Simplify right side
    7,821.74x = 53,911,685.32
  5. Step 5: Solve for x
    x = 53,911,685.32/7,821.74
  6. Step 6: Final answer
    x = 6,892.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.