Home / 8,317.67-11,478.09-4,958.76

Finding the Fourth Proportional to 8,317.67, 11,478.09 and 4,958.76

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Solution

The fourth proportional to 8,317.67, 11,478.09 and 4,958.76 is: 6,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.67 : 11,478.09 = 4,958.76 : x
  2. Step 2: Convert to fraction form
    8,317.67/11,478.09 = 4,958.76/x
  3. Step 3: Cross multiply
    8,317.67x = 11,478.09 × 4,958.76
  4. Step 4: Simplify right side
    8,317.67x = 56,917,036.18
  5. Step 5: Solve for x
    x = 56,917,036.18/8,317.67
  6. Step 6: Final answer
    x = 6,842.91

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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.