Home / 7,384.10-11,076.39-2,453.58

Finding the Fourth Proportional to 7,384.10, 11,076.39 and 2,453.58

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Solution

The fourth proportional to 7,384.10, 11,076.39 and 2,453.58 is: 3,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.10 : 11,076.39 = 2,453.58 : x
  2. Step 2: Convert to fraction form
    7,384.10/11,076.39 = 2,453.58/x
  3. Step 3: Cross multiply
    7,384.10x = 11,076.39 × 2,453.58
  4. Step 4: Simplify right side
    7,384.10x = 27,176,808.98
  5. Step 5: Solve for x
    x = 27,176,808.98/7,384.10
  6. Step 6: Final answer
    x = 3,680.45

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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.