Home / 7,806.43-10,772.87-4,269.64

Finding the Fourth Proportional to 7,806.43, 10,772.87 and 4,269.64

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Solution

The fourth proportional to 7,806.43, 10,772.87 and 4,269.64 is: 5,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.43 : 10,772.87 = 4,269.64 : x
  2. Step 2: Convert to fraction form
    7,806.43/10,772.87 = 4,269.64/x
  3. Step 3: Cross multiply
    7,806.43x = 10,772.87 × 4,269.64
  4. Step 4: Simplify right side
    7,806.43x = 45,996,276.67
  5. Step 5: Solve for x
    x = 45,996,276.67/7,806.43
  6. Step 6: Final answer
    x = 5,892.10

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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.