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Finding the Fourth Proportional to 8,308.10, 11,465.22 and 4,582.10

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Solution

The fourth proportional to 8,308.10, 11,465.22 and 4,582.10 is: 6,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.10 : 11,465.22 = 4,582.10 : x
  2. Step 2: Convert to fraction form
    8,308.10/11,465.22 = 4,582.10/x
  3. Step 3: Cross multiply
    8,308.10x = 11,465.22 × 4,582.10
  4. Step 4: Simplify right side
    8,308.10x = 52,534,784.56
  5. Step 5: Solve for x
    x = 52,534,784.56/8,308.10
  6. Step 6: Final answer
    x = 6,323.32

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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.