Home / 7,878.06-11,822.55-5,097.84

Finding the Fourth Proportional to 7,878.06, 11,822.55 and 5,097.84

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Solution

The fourth proportional to 7,878.06, 11,822.55 and 5,097.84 is: 7,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878.06 : 11,822.55 = 5,097.84 : x
  2. Step 2: Convert to fraction form
    7,878.06/11,822.55 = 5,097.84/x
  3. Step 3: Cross multiply
    7,878.06x = 11,822.55 × 5,097.84
  4. Step 4: Simplify right side
    7,878.06x = 60,269,468.29
  5. Step 5: Solve for x
    x = 60,269,468.29/7,878.06
  6. Step 6: Final answer
    x = 7,650.29

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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.