Home / 8,398.76-12,598.19-2,555.36

Finding the Fourth Proportional to 8,398.76, 12,598.19 and 2,555.36

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Solution

The fourth proportional to 8,398.76, 12,598.19 and 2,555.36 is: 3,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.76 : 12,598.19 = 2,555.36 : x
  2. Step 2: Convert to fraction form
    8,398.76/12,598.19 = 2,555.36/x
  3. Step 3: Cross multiply
    8,398.76x = 12,598.19 × 2,555.36
  4. Step 4: Simplify right side
    8,398.76x = 32,192,835.03
  5. Step 5: Solve for x
    x = 32,192,835.03/8,398.76
  6. Step 6: Final answer
    x = 3,833.05

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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.