Home / 5,338.12-8,006.64-3,384.40

Finding the Fourth Proportional to 5,338.12, 8,006.64 and 3,384.40

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Solution

The fourth proportional to 5,338.12, 8,006.64 and 3,384.40 is: 5,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.12 : 8,006.64 = 3,384.40 : x
  2. Step 2: Convert to fraction form
    5,338.12/8,006.64 = 3,384.40/x
  3. Step 3: Cross multiply
    5,338.12x = 8,006.64 × 3,384.40
  4. Step 4: Simplify right side
    5,338.12x = 27,097,672.42
  5. Step 5: Solve for x
    x = 27,097,672.42/5,338.12
  6. Step 6: Final answer
    x = 5,076.26

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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.