Home / 8,113.91-12,166.88-2,848.77

Finding the Fourth Proportional to 8,113.91, 12,166.88 and 2,848.77

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Solution

The fourth proportional to 8,113.91, 12,166.88 and 2,848.77 is: 4,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.91 : 12,166.88 = 2,848.77 : x
  2. Step 2: Convert to fraction form
    8,113.91/12,166.88 = 2,848.77/x
  3. Step 3: Cross multiply
    8,113.91x = 12,166.88 × 2,848.77
  4. Step 4: Simplify right side
    8,113.91x = 34,660,628.49
  5. Step 5: Solve for x
    x = 34,660,628.49/8,113.91
  6. Step 6: Final answer
    x = 4,271.76

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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.