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Finding the Fourth Proportional to 5,864.76, 8,794.94 and 1,915.09

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Solution

The fourth proportional to 5,864.76, 8,794.94 and 1,915.09 is: 2,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,864.76 : 8,794.94 = 1,915.09 : x
  2. Step 2: Convert to fraction form
    5,864.76/8,794.94 = 1,915.09/x
  3. Step 3: Cross multiply
    5,864.76x = 8,794.94 × 1,915.09
  4. Step 4: Simplify right side
    5,864.76x = 16,843,070.08
  5. Step 5: Solve for x
    x = 16,843,070.08/5,864.76
  6. Step 6: Final answer
    x = 2,871.91

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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.