Home / 8,521.36-12,783.96-2,598.77

Finding the Fourth Proportional to 8,521.36, 12,783.96 and 2,598.77

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Solution

The fourth proportional to 8,521.36, 12,783.96 and 2,598.77 is: 3,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.36 : 12,783.96 = 2,598.77 : x
  2. Step 2: Convert to fraction form
    8,521.36/12,783.96 = 2,598.77/x
  3. Step 3: Cross multiply
    8,521.36x = 12,783.96 × 2,598.77
  4. Step 4: Simplify right side
    8,521.36x = 33,222,571.73
  5. Step 5: Solve for x
    x = 33,222,571.73/8,521.36
  6. Step 6: Final answer
    x = 3,898.74

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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.