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Finding the Fourth Proportional to 8,993.08, 13,479.54 and 6,491.80

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Solution

The fourth proportional to 8,993.08, 13,479.54 and 6,491.80 is: 9,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.08 : 13,479.54 = 6,491.80 : x
  2. Step 2: Convert to fraction form
    8,993.08/13,479.54 = 6,491.80/x
  3. Step 3: Cross multiply
    8,993.08x = 13,479.54 × 6,491.80
  4. Step 4: Simplify right side
    8,993.08x = 87,506,477.77
  5. Step 5: Solve for x
    x = 87,506,477.77/8,993.08
  6. Step 6: Final answer
    x = 9,730.42

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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.