Home / 7,723.84-11,576.81-3,555.10

Finding the Fourth Proportional to 7,723.84, 11,576.81 and 3,555.10

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Solution

The fourth proportional to 7,723.84, 11,576.81 and 3,555.10 is: 5,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.84 : 11,576.81 = 3,555.10 : x
  2. Step 2: Convert to fraction form
    7,723.84/11,576.81 = 3,555.10/x
  3. Step 3: Cross multiply
    7,723.84x = 11,576.81 × 3,555.10
  4. Step 4: Simplify right side
    7,723.84x = 41,156,659.35
  5. Step 5: Solve for x
    x = 41,156,659.35/7,723.84
  6. Step 6: Final answer
    x = 5,328.52

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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.