Home / 8,343.57-11,515.42-4,758.54

Finding the Fourth Proportional to 8,343.57, 11,515.42 and 4,758.54

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Solution

The fourth proportional to 8,343.57, 11,515.42 and 4,758.54 is: 6,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.57 : 11,515.42 = 4,758.54 : x
  2. Step 2: Convert to fraction form
    8,343.57/11,515.42 = 4,758.54/x
  3. Step 3: Cross multiply
    8,343.57x = 11,515.42 × 4,758.54
  4. Step 4: Simplify right side
    8,343.57x = 54,796,549.45
  5. Step 5: Solve for x
    x = 54,796,549.45/8,343.57
  6. Step 6: Final answer
    x = 6,567.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.