Home / 8,520.09-12,782.06-2,597.51

Finding the Fourth Proportional to 8,520.09, 12,782.06 and 2,597.51

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Solution

The fourth proportional to 8,520.09, 12,782.06 and 2,597.51 is: 3,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.09 : 12,782.06 = 2,597.51 : x
  2. Step 2: Convert to fraction form
    8,520.09/12,782.06 = 2,597.51/x
  3. Step 3: Cross multiply
    8,520.09x = 12,782.06 × 2,597.51
  4. Step 4: Simplify right side
    8,520.09x = 33,201,528.67
  5. Step 5: Solve for x
    x = 33,201,528.67/8,520.09
  6. Step 6: Final answer
    x = 3,896.85

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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.