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Finding the Fourth Proportional to 8,398.93, 12,598.67 and 2,555.50

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Solution

The fourth proportional to 8,398.93, 12,598.67 and 2,555.50 is: 3,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.93 : 12,598.67 = 2,555.50 : x
  2. Step 2: Convert to fraction form
    8,398.93/12,598.67 = 2,555.50/x
  3. Step 3: Cross multiply
    8,398.93x = 12,598.67 × 2,555.50
  4. Step 4: Simplify right side
    8,398.93x = 32,195,901.19
  5. Step 5: Solve for x
    x = 32,195,901.19/8,398.93
  6. Step 6: Final answer
    x = 3,833.33

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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.