Home / 7,879.31-11,818.93-2,332.69

Finding the Fourth Proportional to 7,879.31, 11,818.93 and 2,332.69

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Solution

The fourth proportional to 7,879.31, 11,818.93 and 2,332.69 is: 3,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.31 : 11,818.93 = 2,332.69 : x
  2. Step 2: Convert to fraction form
    7,879.31/11,818.93 = 2,332.69/x
  3. Step 3: Cross multiply
    7,879.31x = 11,818.93 × 2,332.69
  4. Step 4: Simplify right side
    7,879.31x = 27,569,899.82
  5. Step 5: Solve for x
    x = 27,569,899.82/7,879.31
  6. Step 6: Final answer
    x = 3,499.02

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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.