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Finding the Fourth Proportional to 8,598.69, 11,866.19 and 4,821.89

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Solution

The fourth proportional to 8,598.69, 11,866.19 and 4,821.89 is: 6,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.69 : 11,866.19 = 4,821.89 : x
  2. Step 2: Convert to fraction form
    8,598.69/11,866.19 = 4,821.89/x
  3. Step 3: Cross multiply
    8,598.69x = 11,866.19 × 4,821.89
  4. Step 4: Simplify right side
    8,598.69x = 57,217,379.46
  5. Step 5: Solve for x
    x = 57,217,379.46/8,598.69
  6. Step 6: Final answer
    x = 6,654.20

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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.