Home / 8,726.45-12,041.60-5,188.97

Finding the Fourth Proportional to 8,726.45, 12,041.60 and 5,188.97

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Solution

The fourth proportional to 8,726.45, 12,041.60 and 5,188.97 is: 7,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.45 : 12,041.60 = 5,188.97 : x
  2. Step 2: Convert to fraction form
    8,726.45/12,041.60 = 5,188.97/x
  3. Step 3: Cross multiply
    8,726.45x = 12,041.60 × 5,188.97
  4. Step 4: Simplify right side
    8,726.45x = 62,483,505.31
  5. Step 5: Solve for x
    x = 62,483,505.31/8,726.45
  6. Step 6: Final answer
    x = 7,160.25

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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.