Home / 7,916.89-11,867.51-3,749.58

Finding the Fourth Proportional to 7,916.89, 11,867.51 and 3,749.58

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Solution

The fourth proportional to 7,916.89, 11,867.51 and 3,749.58 is: 5,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.89 : 11,867.51 = 3,749.58 : x
  2. Step 2: Convert to fraction form
    7,916.89/11,867.51 = 3,749.58/x
  3. Step 3: Cross multiply
    7,916.89x = 11,867.51 × 3,749.58
  4. Step 4: Simplify right side
    7,916.89x = 44,498,100.06
  5. Step 5: Solve for x
    x = 44,498,100.06/7,916.89
  6. Step 6: Final answer
    x = 5,620.65

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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.