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Finding the Fourth Proportional to 5,866.51, 8,801.08 and 1,970.81

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Solution

The fourth proportional to 5,866.51, 8,801.08 and 1,970.81 is: 2,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.51 : 8,801.08 = 1,970.81 : x
  2. Step 2: Convert to fraction form
    5,866.51/8,801.08 = 1,970.81/x
  3. Step 3: Cross multiply
    5,866.51x = 8,801.08 × 1,970.81
  4. Step 4: Simplify right side
    5,866.51x = 17,345,273.55
  5. Step 5: Solve for x
    x = 17,345,273.55/5,866.51
  6. Step 6: Final answer
    x = 2,956.66

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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.