Home / 7,998.08-11,039.76-4,641.72

Finding the Fourth Proportional to 7,998.08, 11,039.76 and 4,641.72

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Solution

The fourth proportional to 7,998.08, 11,039.76 and 4,641.72 is: 6,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.08 : 11,039.76 = 4,641.72 : x
  2. Step 2: Convert to fraction form
    7,998.08/11,039.76 = 4,641.72/x
  3. Step 3: Cross multiply
    7,998.08x = 11,039.76 × 4,641.72
  4. Step 4: Simplify right side
    7,998.08x = 51,243,474.79
  5. Step 5: Solve for x
    x = 51,243,474.79/7,998.08
  6. Step 6: Final answer
    x = 6,406.97

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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.