Home / 5,640.11-8,460.98-1,744.82

Finding the Fourth Proportional to 5,640.11, 8,460.98 and 1,744.82

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Solution

The fourth proportional to 5,640.11, 8,460.98 and 1,744.82 is: 2,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.11 : 8,460.98 = 1,744.82 : x
  2. Step 2: Convert to fraction form
    5,640.11/8,460.98 = 1,744.82/x
  3. Step 3: Cross multiply
    5,640.11x = 8,460.98 × 1,744.82
  4. Step 4: Simplify right side
    5,640.11x = 14,762,836.09
  5. Step 5: Solve for x
    x = 14,762,836.09/5,640.11
  6. Step 6: Final answer
    x = 2,617.48

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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.