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Finding the Fourth Proportional to 8,598.79, 12,898.47 and 2,754.64

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Solution

The fourth proportional to 8,598.79, 12,898.47 and 2,754.64 is: 4,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.79 : 12,898.47 = 2,754.64 : x
  2. Step 2: Convert to fraction form
    8,598.79/12,898.47 = 2,754.64/x
  3. Step 3: Cross multiply
    8,598.79x = 12,898.47 × 2,754.64
  4. Step 4: Simplify right side
    8,598.79x = 35,530,641.40
  5. Step 5: Solve for x
    x = 35,530,641.40/8,598.79
  6. Step 6: Final answer
    x = 4,132.05

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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.