Home / 8,580.08-12,870.66-2,736.92

Finding the Fourth Proportional to 8,580.08, 12,870.66 and 2,736.92

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Solution

The fourth proportional to 8,580.08, 12,870.66 and 2,736.92 is: 4,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.08 : 12,870.66 = 2,736.92 : x
  2. Step 2: Convert to fraction form
    8,580.08/12,870.66 = 2,736.92/x
  3. Step 3: Cross multiply
    8,580.08x = 12,870.66 × 2,736.92
  4. Step 4: Simplify right side
    8,580.08x = 35,225,966.77
  5. Step 5: Solve for x
    x = 35,225,966.77/8,580.08
  6. Step 6: Final answer
    x = 4,105.55

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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.