Home / 8,426.76-12,626.55-4,477.92

Finding the Fourth Proportional to 8,426.76, 12,626.55 and 4,477.92

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Solution

The fourth proportional to 8,426.76, 12,626.55 and 4,477.92 is: 6,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.76 : 12,626.55 = 4,477.92 : x
  2. Step 2: Convert to fraction form
    8,426.76/12,626.55 = 4,477.92/x
  3. Step 3: Cross multiply
    8,426.76x = 12,626.55 × 4,477.92
  4. Step 4: Simplify right side
    8,426.76x = 56,540,680.78
  5. Step 5: Solve for x
    x = 56,540,680.78/8,426.76
  6. Step 6: Final answer
    x = 6,709.66

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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.