Home / 7,405.49-11,107.04-2,475.14

Finding the Fourth Proportional to 7,405.49, 11,107.04 and 2,475.14

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Solution

The fourth proportional to 7,405.49, 11,107.04 and 2,475.14 is: 3,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.49 : 11,107.04 = 2,475.14 : x
  2. Step 2: Convert to fraction form
    7,405.49/11,107.04 = 2,475.14/x
  3. Step 3: Cross multiply
    7,405.49x = 11,107.04 × 2,475.14
  4. Step 4: Simplify right side
    7,405.49x = 27,491,411.07
  5. Step 5: Solve for x
    x = 27,491,411.07/7,405.49
  6. Step 6: Final answer
    x = 3,712.30

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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.