Home / 7,746.66-11,619.88-1,903.23

Finding the Fourth Proportional to 7,746.66, 11,619.88 and 1,903.23

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Solution

The fourth proportional to 7,746.66, 11,619.88 and 1,903.23 is: 2,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.66 : 11,619.88 = 1,903.23 : x
  2. Step 2: Convert to fraction form
    7,746.66/11,619.88 = 1,903.23/x
  3. Step 3: Cross multiply
    7,746.66x = 11,619.88 × 1,903.23
  4. Step 4: Simplify right side
    7,746.66x = 22,115,299.45
  5. Step 5: Solve for x
    x = 22,115,299.45/7,746.66
  6. Step 6: Final answer
    x = 2,854.82

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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.