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Finding the Fourth Proportional to 8,768.58, 13,148.55 and 7,308.42

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Solution

The fourth proportional to 8,768.58, 13,148.55 and 7,308.42 is: 10,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.58 : 13,148.55 = 7,308.42 : x
  2. Step 2: Convert to fraction form
    8,768.58/13,148.55 = 7,308.42/x
  3. Step 3: Cross multiply
    8,768.58x = 13,148.55 × 7,308.42
  4. Step 4: Simplify right side
    8,768.58x = 96,095,125.79
  5. Step 5: Solve for x
    x = 96,095,125.79/8,768.58
  6. Step 6: Final answer
    x = 10,959.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.