Home / 8,617.44-12,929.83-4,869.74

Finding the Fourth Proportional to 8,617.44, 12,929.83 and 4,869.74

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Solution

The fourth proportional to 8,617.44, 12,929.83 and 4,869.74 is: 7,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.44 : 12,929.83 = 4,869.74 : x
  2. Step 2: Convert to fraction form
    8,617.44/12,929.83 = 4,869.74/x
  3. Step 3: Cross multiply
    8,617.44x = 12,929.83 × 4,869.74
  4. Step 4: Simplify right side
    8,617.44x = 62,964,821.35
  5. Step 5: Solve for x
    x = 62,964,821.35/8,617.44
  6. Step 6: Final answer
    x = 7,306.67

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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.