Home / 7,108.20-10,657.44-3,210.48

Finding the Fourth Proportional to 7,108.20, 10,657.44 and 3,210.48

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Solution

The fourth proportional to 7,108.20, 10,657.44 and 3,210.48 is: 4,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.20 : 10,657.44 = 3,210.48 : x
  2. Step 2: Convert to fraction form
    7,108.20/10,657.44 = 3,210.48/x
  3. Step 3: Cross multiply
    7,108.20x = 10,657.44 × 3,210.48
  4. Step 4: Simplify right side
    7,108.20x = 34,215,497.97
  5. Step 5: Solve for x
    x = 34,215,497.97/7,108.20
  6. Step 6: Final answer
    x = 4,813.52

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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.