Home / 4,904.78-7,358.44-2,130.82

Finding the Fourth Proportional to 4,904.78, 7,358.44 and 2,130.82

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Solution

The fourth proportional to 4,904.78, 7,358.44 and 2,130.82 is: 3,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.78 : 7,358.44 = 2,130.82 : x
  2. Step 2: Convert to fraction form
    4,904.78/7,358.44 = 2,130.82/x
  3. Step 3: Cross multiply
    4,904.78x = 7,358.44 × 2,130.82
  4. Step 4: Simplify right side
    4,904.78x = 15,679,511.12
  5. Step 5: Solve for x
    x = 15,679,511.12/4,904.78
  6. Step 6: Final answer
    x = 3,196.78

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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.