Home / 4,929.99-6,800.18-3,158.79

Finding the Fourth Proportional to 4,929.99, 6,800.18 and 3,158.79

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Solution

The fourth proportional to 4,929.99, 6,800.18 and 3,158.79 is: 4,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.99 : 6,800.18 = 3,158.79 : x
  2. Step 2: Convert to fraction form
    4,929.99/6,800.18 = 3,158.79/x
  3. Step 3: Cross multiply
    4,929.99x = 6,800.18 × 3,158.79
  4. Step 4: Simplify right side
    4,929.99x = 21,480,324.79
  5. Step 5: Solve for x
    x = 21,480,324.79/4,929.99
  6. Step 6: Final answer
    x = 4,357.07

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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.