Home / 8,460.44-12,690.66-2,616.92

Finding the Fourth Proportional to 8,460.44, 12,690.66 and 2,616.92

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Solution

The fourth proportional to 8,460.44, 12,690.66 and 2,616.92 is: 3,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.44 : 12,690.66 = 2,616.92 : x
  2. Step 2: Convert to fraction form
    8,460.44/12,690.66 = 2,616.92/x
  3. Step 3: Cross multiply
    8,460.44x = 12,690.66 × 2,616.92
  4. Step 4: Simplify right side
    8,460.44x = 33,210,441.97
  5. Step 5: Solve for x
    x = 33,210,441.97/8,460.44
  6. Step 6: Final answer
    x = 3,925.38

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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.