Home / 8,766.36-12,095.64-5,230.80

Finding the Fourth Proportional to 8,766.36, 12,095.64 and 5,230.80

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Solution

The fourth proportional to 8,766.36, 12,095.64 and 5,230.80 is: 7,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.36 : 12,095.64 = 5,230.80 : x
  2. Step 2: Convert to fraction form
    8,766.36/12,095.64 = 5,230.80/x
  3. Step 3: Cross multiply
    8,766.36x = 12,095.64 × 5,230.80
  4. Step 4: Simplify right side
    8,766.36x = 63,269,873.71
  5. Step 5: Solve for x
    x = 63,269,873.71/8,766.36
  6. Step 6: Final answer
    x = 7,217.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.