Home / 4,316.76-6,475.14-2,787.48

Finding the Fourth Proportional to 4,316.76, 6,475.14 and 2,787.48

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Solution

The fourth proportional to 4,316.76, 6,475.14 and 2,787.48 is: 4,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.76 : 6,475.14 = 2,787.48 : x
  2. Step 2: Convert to fraction form
    4,316.76/6,475.14 = 2,787.48/x
  3. Step 3: Cross multiply
    4,316.76x = 6,475.14 × 2,787.48
  4. Step 4: Simplify right side
    4,316.76x = 18,049,323.25
  5. Step 5: Solve for x
    x = 18,049,323.25/4,316.76
  6. Step 6: Final answer
    x = 4,181.22

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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.