Home / 7,240.14-10,857.96-3,080.10

Finding the Fourth Proportional to 7,240.14, 10,857.96 and 3,080.10

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Solution

The fourth proportional to 7,240.14, 10,857.96 and 3,080.10 is: 4,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.14 : 10,857.96 = 3,080.10 : x
  2. Step 2: Convert to fraction form
    7,240.14/10,857.96 = 3,080.10/x
  3. Step 3: Cross multiply
    7,240.14x = 10,857.96 × 3,080.10
  4. Step 4: Simplify right side
    7,240.14x = 33,443,602.60
  5. Step 5: Solve for x
    x = 33,443,602.60/7,240.14
  6. Step 6: Final answer
    x = 4,619.19

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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.