Home / 7,919.56-10,929.09-4,382.83

Finding the Fourth Proportional to 7,919.56, 10,929.09 and 4,382.83

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Solution

The fourth proportional to 7,919.56, 10,929.09 and 4,382.83 is: 6,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.56 : 10,929.09 = 4,382.83 : x
  2. Step 2: Convert to fraction form
    7,919.56/10,929.09 = 4,382.83/x
  3. Step 3: Cross multiply
    7,919.56x = 10,929.09 × 4,382.83
  4. Step 4: Simplify right side
    7,919.56x = 47,900,343.52
  5. Step 5: Solve for x
    x = 47,900,343.52/7,919.56
  6. Step 6: Final answer
    x = 6,048.36

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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.