Home / 7,772.92-10,726.63-4,236.13

Finding the Fourth Proportional to 7,772.92, 10,726.63 and 4,236.13

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Solution

The fourth proportional to 7,772.92, 10,726.63 and 4,236.13 is: 5,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.92 : 10,726.63 = 4,236.13 : x
  2. Step 2: Convert to fraction form
    7,772.92/10,726.63 = 4,236.13/x
  3. Step 3: Cross multiply
    7,772.92x = 10,726.63 × 4,236.13
  4. Step 4: Simplify right side
    7,772.92x = 45,439,399.14
  5. Step 5: Solve for x
    x = 45,439,399.14/7,772.92
  6. Step 6: Final answer
    x = 5,845.86

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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.