Home / 7,999.16-11,998.68-4,303.13

Finding the Fourth Proportional to 7,999.16, 11,998.68 and 4,303.13

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Solution

The fourth proportional to 7,999.16, 11,998.68 and 4,303.13 is: 6,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.16 : 11,998.68 = 4,303.13 : x
  2. Step 2: Convert to fraction form
    7,999.16/11,998.68 = 4,303.13/x
  3. Step 3: Cross multiply
    7,999.16x = 11,998.68 × 4,303.13
  4. Step 4: Simplify right side
    7,999.16x = 51,631,827.94
  5. Step 5: Solve for x
    x = 51,631,827.94/7,999.16
  6. Step 6: Final answer
    x = 6,454.66

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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.