Home / 8,726.96-12,039.84-6,208.28

Finding the Fourth Proportional to 8,726.96, 12,039.84 and 6,208.28

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Solution

The fourth proportional to 8,726.96, 12,039.84 and 6,208.28 is: 8,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.96 : 12,039.84 = 6,208.28 : x
  2. Step 2: Convert to fraction form
    8,726.96/12,039.84 = 6,208.28/x
  3. Step 3: Cross multiply
    8,726.96x = 12,039.84 × 6,208.28
  4. Step 4: Simplify right side
    8,726.96x = 74,746,697.88
  5. Step 5: Solve for x
    x = 74,746,697.88/8,726.96
  6. Step 6: Final answer
    x = 8,565.03

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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.