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Finding the Fourth Proportional to 5,658.36, 8,487.65 and 1,960.71

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Solution

The fourth proportional to 5,658.36, 8,487.65 and 1,960.71 is: 2,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.36 : 8,487.65 = 1,960.71 : x
  2. Step 2: Convert to fraction form
    5,658.36/8,487.65 = 1,960.71/x
  3. Step 3: Cross multiply
    5,658.36x = 8,487.65 × 1,960.71
  4. Step 4: Simplify right side
    5,658.36x = 16,641,810.43
  5. Step 5: Solve for x
    x = 16,641,810.43/5,658.36
  6. Step 6: Final answer
    x = 2,941.10

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1.5x scale

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.