Home / 7,465.14-11,189.90-2,783.11

Finding the Fourth Proportional to 7,465.14, 11,189.90 and 2,783.11

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Solution

The fourth proportional to 7,465.14, 11,189.90 and 2,783.11 is: 4,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.14 : 11,189.90 = 2,783.11 : x
  2. Step 2: Convert to fraction form
    7,465.14/11,189.90 = 2,783.11/x
  3. Step 3: Cross multiply
    7,465.14x = 11,189.90 × 2,783.11
  4. Step 4: Simplify right side
    7,465.14x = 31,142,706.90
  5. Step 5: Solve for x
    x = 31,142,706.90/7,465.14
  6. Step 6: Final answer
    x = 4,171.75

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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.