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Finding the Fourth Proportional to 5,868.48, 8,803.03 and 1,485.98

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Solution

The fourth proportional to 5,868.48, 8,803.03 and 1,485.98 is: 2,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.48 : 8,803.03 = 1,485.98 : x
  2. Step 2: Convert to fraction form
    5,868.48/8,803.03 = 1,485.98/x
  3. Step 3: Cross multiply
    5,868.48x = 8,803.03 × 1,485.98
  4. Step 4: Simplify right side
    5,868.48x = 13,081,114.59
  5. Step 5: Solve for x
    x = 13,081,114.59/5,868.48
  6. Step 6: Final answer
    x = 2,229.05

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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.