Home / 9,726.42-14,589.72-2,800.92

Finding the Fourth Proportional to 9,726.42, 14,589.72 and 2,800.92

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Solution

The fourth proportional to 9,726.42, 14,589.72 and 2,800.92 is: 4,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.42 : 14,589.72 = 2,800.92 : x
  2. Step 2: Convert to fraction form
    9,726.42/14,589.72 = 2,800.92/x
  3. Step 3: Cross multiply
    9,726.42x = 14,589.72 × 2,800.92
  4. Step 4: Simplify right side
    9,726.42x = 40,864,638.54
  5. Step 5: Solve for x
    x = 40,864,638.54/9,726.42
  6. Step 6: Final answer
    x = 4,201.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.