Home / 8,310.90-11,483.61-6,646.05

Finding the Fourth Proportional to 8,310.90, 11,483.61 and 6,646.05

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Solution

The fourth proportional to 8,310.90, 11,483.61 and 6,646.05 is: 9,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.90 : 11,483.61 = 6,646.05 : x
  2. Step 2: Convert to fraction form
    8,310.90/11,483.61 = 6,646.05/x
  3. Step 3: Cross multiply
    8,310.90x = 11,483.61 × 6,646.05
  4. Step 4: Simplify right side
    8,310.90x = 76,320,646.24
  5. Step 5: Solve for x
    x = 76,320,646.24/8,310.90
  6. Step 6: Final answer
    x = 9,183.20

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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.