Home / 7,806.10-10,772.64-4,269.50

Finding the Fourth Proportional to 7,806.10, 10,772.64 and 4,269.50

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Solution

The fourth proportional to 7,806.10, 10,772.64 and 4,269.50 is: 5,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.10 : 10,772.64 = 4,269.50 : x
  2. Step 2: Convert to fraction form
    7,806.10/10,772.64 = 4,269.50/x
  3. Step 3: Cross multiply
    7,806.10x = 10,772.64 × 4,269.50
  4. Step 4: Simplify right side
    7,806.10x = 45,993,786.48
  5. Step 5: Solve for x
    x = 45,993,786.48/7,806.10
  6. Step 6: Final answer
    x = 5,892.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.