Home / 9,879.30-14,814-4,330.20

Finding the Fourth Proportional to 9,879.30, 14,814 and 4,330.20

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Solution

The fourth proportional to 9,879.30, 14,814 and 4,330.20 is: 6,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.30 : 14,814 = 4,330.20 : x
  2. Step 2: Convert to fraction form
    9,879.30/14,814 = 4,330.20/x
  3. Step 3: Cross multiply
    9,879.30x = 14,814 × 4,330.20
  4. Step 4: Simplify right side
    9,879.30x = 64,147,582.80
  5. Step 5: Solve for x
    x = 64,147,582.80/9,879.30
  6. Step 6: Final answer
    x = 6,493.13

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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.