Home / 9,118.92-13,653.71-4,727.15

Finding the Fourth Proportional to 9,118.92, 13,653.71 and 4,727.15

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Solution

The fourth proportional to 9,118.92, 13,653.71 and 4,727.15 is: 7,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.92 : 13,653.71 = 4,727.15 : x
  2. Step 2: Convert to fraction form
    9,118.92/13,653.71 = 4,727.15/x
  3. Step 3: Cross multiply
    9,118.92x = 13,653.71 × 4,727.15
  4. Step 4: Simplify right side
    9,118.92x = 64,543,043.32
  5. Step 5: Solve for x
    x = 64,543,043.32/9,118.92
  6. Step 6: Final answer
    x = 7,077.93

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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.