Home / 4,619.29-6,929.92-1,499.47

Finding the Fourth Proportional to 4,619.29, 6,929.92 and 1,499.47

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Solution

The fourth proportional to 4,619.29, 6,929.92 and 1,499.47 is: 2,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.29 : 6,929.92 = 1,499.47 : x
  2. Step 2: Convert to fraction form
    4,619.29/6,929.92 = 1,499.47/x
  3. Step 3: Cross multiply
    4,619.29x = 6,929.92 × 1,499.47
  4. Step 4: Simplify right side
    4,619.29x = 10,391,168.74
  5. Step 5: Solve for x
    x = 10,391,168.74/4,619.29
  6. Step 6: Final answer
    x = 2,249.52

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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.