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Finding the Fourth Proportional to 5,658, 8,487.02 and 1,762.41

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Solution

The fourth proportional to 5,658, 8,487.02 and 1,762.41 is: 2,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658 : 8,487.02 = 1,762.41 : x
  2. Step 2: Convert to fraction form
    5,658/8,487.02 = 1,762.41/x
  3. Step 3: Cross multiply
    5,658x = 8,487.02 × 1,762.41
  4. Step 4: Simplify right side
    5,658x = 14,957,600.11
  5. Step 5: Solve for x
    x = 14,957,600.11/5,658
  6. Step 6: Final answer
    x = 2,643.62

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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.