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Finding the Fourth Proportional to 5,710.60, 8,560.02 and 2,011.48

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Solution

The fourth proportional to 5,710.60, 8,560.02 and 2,011.48 is: 3,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.60 : 8,560.02 = 2,011.48 : x
  2. Step 2: Convert to fraction form
    5,710.60/8,560.02 = 2,011.48/x
  3. Step 3: Cross multiply
    5,710.60x = 8,560.02 × 2,011.48
  4. Step 4: Simplify right side
    5,710.60x = 17,218,309.03
  5. Step 5: Solve for x
    x = 17,218,309.03/5,710.60
  6. Step 6: Final answer
    x = 3,015.15

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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.