Home / 7,772.90-10,726.61-4,236.21

Finding the Fourth Proportional to 7,772.90, 10,726.61 and 4,236.21

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Solution

The fourth proportional to 7,772.90, 10,726.61 and 4,236.21 is: 5,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.90 : 10,726.61 = 4,236.21 : x
  2. Step 2: Convert to fraction form
    7,772.90/10,726.61 = 4,236.21/x
  3. Step 3: Cross multiply
    7,772.90x = 10,726.61 × 4,236.21
  4. Step 4: Simplify right side
    7,772.90x = 45,440,151.37
  5. Step 5: Solve for x
    x = 45,440,151.37/7,772.90
  6. Step 6: Final answer
    x = 5,845.98

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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.