Home / 8,726.24-12,040.98-5,190.86

Finding the Fourth Proportional to 8,726.24, 12,040.98 and 5,190.86

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Solution

The fourth proportional to 8,726.24, 12,040.98 and 5,190.86 is: 7,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.24 : 12,040.98 = 5,190.86 : x
  2. Step 2: Convert to fraction form
    8,726.24/12,040.98 = 5,190.86/x
  3. Step 3: Cross multiply
    8,726.24x = 12,040.98 × 5,190.86
  4. Step 4: Simplify right side
    8,726.24x = 62,503,041.44
  5. Step 5: Solve for x
    x = 62,503,041.44/8,726.24
  6. Step 6: Final answer
    x = 7,162.65

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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.