Home / 7,487.11-11,206.86-4,190.14

Finding the Fourth Proportional to 7,487.11, 11,206.86 and 4,190.14

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Solution

The fourth proportional to 7,487.11, 11,206.86 and 4,190.14 is: 6,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.11 : 11,206.86 = 4,190.14 : x
  2. Step 2: Convert to fraction form
    7,487.11/11,206.86 = 4,190.14/x
  3. Step 3: Cross multiply
    7,487.11x = 11,206.86 × 4,190.14
  4. Step 4: Simplify right side
    7,487.11x = 46,958,312.36
  5. Step 5: Solve for x
    x = 46,958,312.36/7,487.11
  6. Step 6: Final answer
    x = 6,271.89

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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.