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Finding the Fourth Proportional to 5,644.96, 8,466.48 and 1,540

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Solution

The fourth proportional to 5,644.96, 8,466.48 and 1,540 is: 2,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.96 : 8,466.48 = 1,540 : x
  2. Step 2: Convert to fraction form
    5,644.96/8,466.48 = 1,540/x
  3. Step 3: Cross multiply
    5,644.96x = 8,466.48 × 1,540
  4. Step 4: Simplify right side
    5,644.96x = 13,038,379.20
  5. Step 5: Solve for x
    x = 13,038,379.20/5,644.96
  6. Step 6: Final answer
    x = 2,309.74

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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.