Home / 7,824.84-11,739.10-2,560.10

Finding the Fourth Proportional to 7,824.84, 11,739.10 and 2,560.10

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Solution

The fourth proportional to 7,824.84, 11,739.10 and 2,560.10 is: 3,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.84 : 11,739.10 = 2,560.10 : x
  2. Step 2: Convert to fraction form
    7,824.84/11,739.10 = 2,560.10/x
  3. Step 3: Cross multiply
    7,824.84x = 11,739.10 × 2,560.10
  4. Step 4: Simplify right side
    7,824.84x = 30,053,269.91
  5. Step 5: Solve for x
    x = 30,053,269.91/7,824.84
  6. Step 6: Final answer
    x = 3,840.75

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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.