Home / 7,108.20-9,800.52-5,008.68

Finding the Fourth Proportional to 7,108.20, 9,800.52 and 5,008.68

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Solution

The fourth proportional to 7,108.20, 9,800.52 and 5,008.68 is: 6,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.20 : 9,800.52 = 5,008.68 : x
  2. Step 2: Convert to fraction form
    7,108.20/9,800.52 = 5,008.68/x
  3. Step 3: Cross multiply
    7,108.20x = 9,800.52 × 5,008.68
  4. Step 4: Simplify right side
    7,108.20x = 49,087,668.51
  5. Step 5: Solve for x
    x = 49,087,668.51/7,108.20
  6. Step 6: Final answer
    x = 6,905.78

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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.