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Finding the Fourth Proportional to 5,865.30, 8,798.72 and 1,915.18

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Solution

The fourth proportional to 5,865.30, 8,798.72 and 1,915.18 is: 2,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.30 : 8,798.72 = 1,915.18 : x
  2. Step 2: Convert to fraction form
    5,865.30/8,798.72 = 1,915.18/x
  3. Step 3: Cross multiply
    5,865.30x = 8,798.72 × 1,915.18
  4. Step 4: Simplify right side
    5,865.30x = 16,851,101.00
  5. Step 5: Solve for x
    x = 16,851,101.00/5,865.30
  6. Step 6: Final answer
    x = 2,873.02

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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.