Home / 7,450.10-11,175.14-1,903.45

Finding the Fourth Proportional to 7,450.10, 11,175.14 and 1,903.45

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Solution

The fourth proportional to 7,450.10, 11,175.14 and 1,903.45 is: 2,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.10 : 11,175.14 = 1,903.45 : x
  2. Step 2: Convert to fraction form
    7,450.10/11,175.14 = 1,903.45/x
  3. Step 3: Cross multiply
    7,450.10x = 11,175.14 × 1,903.45
  4. Step 4: Simplify right side
    7,450.10x = 21,271,264.36
  5. Step 5: Solve for x
    x = 21,271,264.36/7,450.10
  6. Step 6: Final answer
    x = 2,855.17

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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.