Home / 7,345.64-11,022.50-3,185.68

Finding the Fourth Proportional to 7,345.64, 11,022.50 and 3,185.68

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Solution

The fourth proportional to 7,345.64, 11,022.50 and 3,185.68 is: 4,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.64 : 11,022.50 = 3,185.68 : x
  2. Step 2: Convert to fraction form
    7,345.64/11,022.50 = 3,185.68/x
  3. Step 3: Cross multiply
    7,345.64x = 11,022.50 × 3,185.68
  4. Step 4: Simplify right side
    7,345.64x = 35,114,157.80
  5. Step 5: Solve for x
    x = 35,114,157.80/7,345.64
  6. Step 6: Final answer
    x = 4,780.27

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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.