Home / 8,889.45-13,305.20-6,548.51

Finding the Fourth Proportional to 8,889.45, 13,305.20 and 6,548.51

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Solution

The fourth proportional to 8,889.45, 13,305.20 and 6,548.51 is: 9,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.45 : 13,305.20 = 6,548.51 : x
  2. Step 2: Convert to fraction form
    8,889.45/13,305.20 = 6,548.51/x
  3. Step 3: Cross multiply
    8,889.45x = 13,305.20 × 6,548.51
  4. Step 4: Simplify right side
    8,889.45x = 87,129,235.77
  5. Step 5: Solve for x
    x = 87,129,235.77/8,889.45
  6. Step 6: Final answer
    x = 9,801.42

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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.