Home / 8,582.68-11,836.02-6,820.12

Finding the Fourth Proportional to 8,582.68, 11,836.02 and 6,820.12

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Solution

The fourth proportional to 8,582.68, 11,836.02 and 6,820.12 is: 9,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.68 : 11,836.02 = 6,820.12 : x
  2. Step 2: Convert to fraction form
    8,582.68/11,836.02 = 6,820.12/x
  3. Step 3: Cross multiply
    8,582.68x = 11,836.02 × 6,820.12
  4. Step 4: Simplify right side
    8,582.68x = 80,723,076.72
  5. Step 5: Solve for x
    x = 80,723,076.72/8,582.68
  6. Step 6: Final answer
    x = 9,405.35

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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.