Home / 7,772.71-10,726.56-4,236.14

Finding the Fourth Proportional to 7,772.71, 10,726.56 and 4,236.14

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Solution

The fourth proportional to 7,772.71, 10,726.56 and 4,236.14 is: 5,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.71 : 10,726.56 = 4,236.14 : x
  2. Step 2: Convert to fraction form
    7,772.71/10,726.56 = 4,236.14/x
  3. Step 3: Cross multiply
    7,772.71x = 10,726.56 × 4,236.14
  4. Step 4: Simplify right side
    7,772.71x = 45,439,209.88
  5. Step 5: Solve for x
    x = 45,439,209.88/7,772.71
  6. Step 6: Final answer
    x = 5,846.00

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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.