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Finding the Fourth Proportional to 8,598.94, 11,869.08 and 5,615.24

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Solution

The fourth proportional to 8,598.94, 11,869.08 and 5,615.24 is: 7,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.94 : 11,869.08 = 5,615.24 : x
  2. Step 2: Convert to fraction form
    8,598.94/11,869.08 = 5,615.24/x
  3. Step 3: Cross multiply
    8,598.94x = 11,869.08 × 5,615.24
  4. Step 4: Simplify right side
    8,598.94x = 66,647,750.73
  5. Step 5: Solve for x
    x = 66,647,750.73/8,598.94
  6. Step 6: Final answer
    x = 7,750.69

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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.