Home / 7,103.24-10,660.32-3,210.40

Finding the Fourth Proportional to 7,103.24, 10,660.32 and 3,210.40

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Solution

The fourth proportional to 7,103.24, 10,660.32 and 3,210.40 is: 4,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.24 : 10,660.32 = 3,210.40 : x
  2. Step 2: Convert to fraction form
    7,103.24/10,660.32 = 3,210.40/x
  3. Step 3: Cross multiply
    7,103.24x = 10,660.32 × 3,210.40
  4. Step 4: Simplify right side
    7,103.24x = 34,223,891.33
  5. Step 5: Solve for x
    x = 34,223,891.33/7,103.24
  6. Step 6: Final answer
    x = 4,818.07

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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.