Home / 5,817.06-8,725.32-1,921.50

Finding the Fourth Proportional to 5,817.06, 8,725.32 and 1,921.50

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Solution

The fourth proportional to 5,817.06, 8,725.32 and 1,921.50 is: 2,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.06 : 8,725.32 = 1,921.50 : x
  2. Step 2: Convert to fraction form
    5,817.06/8,725.32 = 1,921.50/x
  3. Step 3: Cross multiply
    5,817.06x = 8,725.32 × 1,921.50
  4. Step 4: Simplify right side
    5,817.06x = 16,765,702.38
  5. Step 5: Solve for x
    x = 16,765,702.38/5,817.06
  6. Step 6: Final answer
    x = 2,882.16

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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.