Home / 8,525.45-12,790.80-4,368.39

Finding the Fourth Proportional to 8,525.45, 12,790.80 and 4,368.39

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Solution

The fourth proportional to 8,525.45, 12,790.80 and 4,368.39 is: 6,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.45 : 12,790.80 = 4,368.39 : x
  2. Step 2: Convert to fraction form
    8,525.45/12,790.80 = 4,368.39/x
  3. Step 3: Cross multiply
    8,525.45x = 12,790.80 × 4,368.39
  4. Step 4: Simplify right side
    8,525.45x = 55,875,202.81
  5. Step 5: Solve for x
    x = 55,875,202.81/8,525.45
  6. Step 6: Final answer
    x = 6,553.93

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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.