Home / 5,358.40-7,394.94-3,000.69

Finding the Fourth Proportional to 5,358.40, 7,394.94 and 3,000.69

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Solution

The fourth proportional to 5,358.40, 7,394.94 and 3,000.69 is: 4,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.40 : 7,394.94 = 3,000.69 : x
  2. Step 2: Convert to fraction form
    5,358.40/7,394.94 = 3,000.69/x
  3. Step 3: Cross multiply
    5,358.40x = 7,394.94 × 3,000.69
  4. Step 4: Simplify right side
    5,358.40x = 22,189,922.51
  5. Step 5: Solve for x
    x = 22,189,922.51/5,358.40
  6. Step 6: Final answer
    x = 4,141.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.