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Finding the Fourth Proportional to 5,866.13, 8,799.20 and 1,970.64

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Solution

The fourth proportional to 5,866.13, 8,799.20 and 1,970.64 is: 2,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.13 : 8,799.20 = 1,970.64 : x
  2. Step 2: Convert to fraction form
    5,866.13/8,799.20 = 1,970.64/x
  3. Step 3: Cross multiply
    5,866.13x = 8,799.20 × 1,970.64
  4. Step 4: Simplify right side
    5,866.13x = 17,340,045.63
  5. Step 5: Solve for x
    x = 17,340,045.63/5,866.13
  6. Step 6: Final answer
    x = 2,955.96

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Similar ratio
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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.