Home / 5,336.79-8,006.81-2,415.12

Finding the Fourth Proportional to 5,336.79, 8,006.81 and 2,415.12

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Solution

The fourth proportional to 5,336.79, 8,006.81 and 2,415.12 is: 3,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.79 : 8,006.81 = 2,415.12 : x
  2. Step 2: Convert to fraction form
    5,336.79/8,006.81 = 2,415.12/x
  3. Step 3: Cross multiply
    5,336.79x = 8,006.81 × 2,415.12
  4. Step 4: Simplify right side
    5,336.79x = 19,337,394.89
  5. Step 5: Solve for x
    x = 19,337,394.89/5,336.79
  6. Step 6: Final answer
    x = 3,623.41

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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.