Home / 7,416.83-11,127.81-4,299.55

Finding the Fourth Proportional to 7,416.83, 11,127.81 and 4,299.55

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Solution

The fourth proportional to 7,416.83, 11,127.81 and 4,299.55 is: 6,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.83 : 11,127.81 = 4,299.55 : x
  2. Step 2: Convert to fraction form
    7,416.83/11,127.81 = 4,299.55/x
  3. Step 3: Cross multiply
    7,416.83x = 11,127.81 × 4,299.55
  4. Step 4: Simplify right side
    7,416.83x = 47,844,563.79
  5. Step 5: Solve for x
    x = 47,844,563.79/7,416.83
  6. Step 6: Final answer
    x = 6,450.81

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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.