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Finding the Fourth Proportional to 5,865.75, 8,799.17 and 1,970.19

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Solution

The fourth proportional to 5,865.75, 8,799.17 and 1,970.19 is: 2,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.75 : 8,799.17 = 1,970.19 : x
  2. Step 2: Convert to fraction form
    5,865.75/8,799.17 = 1,970.19/x
  3. Step 3: Cross multiply
    5,865.75x = 8,799.17 × 1,970.19
  4. Step 4: Simplify right side
    5,865.75x = 17,336,026.89
  5. Step 5: Solve for x
    x = 17,336,026.89/5,865.75
  6. Step 6: Final answer
    x = 2,955.47

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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.