Home / 7,107.24-10,666.32-3,214.40

Finding the Fourth Proportional to 7,107.24, 10,666.32 and 3,214.40

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Solution

The fourth proportional to 7,107.24, 10,666.32 and 3,214.40 is: 4,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.24 : 10,666.32 = 3,214.40 : x
  2. Step 2: Convert to fraction form
    7,107.24/10,666.32 = 3,214.40/x
  3. Step 3: Cross multiply
    7,107.24x = 10,666.32 × 3,214.40
  4. Step 4: Simplify right side
    7,107.24x = 34,285,819.01
  5. Step 5: Solve for x
    x = 34,285,819.01/7,107.24
  6. Step 6: Final answer
    x = 4,824.07

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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.