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Finding the Fourth Proportional to 8,547.88, 11,793.45 and 5,008.60

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Solution

The fourth proportional to 8,547.88, 11,793.45 and 5,008.60 is: 6,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.88 : 11,793.45 = 5,008.60 : x
  2. Step 2: Convert to fraction form
    8,547.88/11,793.45 = 5,008.60/x
  3. Step 3: Cross multiply
    8,547.88x = 11,793.45 × 5,008.60
  4. Step 4: Simplify right side
    8,547.88x = 59,068,673.67
  5. Step 5: Solve for x
    x = 59,068,673.67/8,547.88
  6. Step 6: Final answer
    x = 6,910.33

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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.