Home / 4,526.77-6,790.17-1,239.90

Finding the Fourth Proportional to 4,526.77, 6,790.17 and 1,239.90

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Solution

The fourth proportional to 4,526.77, 6,790.17 and 1,239.90 is: 1,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.77 : 6,790.17 = 1,239.90 : x
  2. Step 2: Convert to fraction form
    4,526.77/6,790.17 = 1,239.90/x
  3. Step 3: Cross multiply
    4,526.77x = 6,790.17 × 1,239.90
  4. Step 4: Simplify right side
    4,526.77x = 8,419,093.18
  5. Step 5: Solve for x
    x = 8,419,093.18/4,526.77
  6. Step 6: Final answer
    x = 1,859.84

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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.