Home / 7,999.51-11,039.66-4,462.72

Finding the Fourth Proportional to 7,999.51, 11,039.66 and 4,462.72

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Solution

The fourth proportional to 7,999.51, 11,039.66 and 4,462.72 is: 6,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.51 : 11,039.66 = 4,462.72 : x
  2. Step 2: Convert to fraction form
    7,999.51/11,039.66 = 4,462.72/x
  3. Step 3: Cross multiply
    7,999.51x = 11,039.66 × 4,462.72
  4. Step 4: Simplify right side
    7,999.51x = 49,266,911.48
  5. Step 5: Solve for x
    x = 49,266,911.48/7,999.51
  6. Step 6: Final answer
    x = 6,158.74

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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.