Home / 5,316.95-7,976.58-1,619.08

Finding the Fourth Proportional to 5,316.95, 7,976.58 and 1,619.08

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Solution

The fourth proportional to 5,316.95, 7,976.58 and 1,619.08 is: 2,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.95 : 7,976.58 = 1,619.08 : x
  2. Step 2: Convert to fraction form
    5,316.95/7,976.58 = 1,619.08/x
  3. Step 3: Cross multiply
    5,316.95x = 7,976.58 × 1,619.08
  4. Step 4: Simplify right side
    5,316.95x = 12,914,725.05
  5. Step 5: Solve for x
    x = 12,914,725.05/5,316.95
  6. Step 6: Final answer
    x = 2,428.97

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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.