Home / 8,529.12-12,788.16-3,597.44

Finding the Fourth Proportional to 8,529.12, 12,788.16 and 3,597.44

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Solution

The fourth proportional to 8,529.12, 12,788.16 and 3,597.44 is: 5,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.12 : 12,788.16 = 3,597.44 : x
  2. Step 2: Convert to fraction form
    8,529.12/12,788.16 = 3,597.44/x
  3. Step 3: Cross multiply
    8,529.12x = 12,788.16 × 3,597.44
  4. Step 4: Simplify right side
    8,529.12x = 46,004,574.37
  5. Step 5: Solve for x
    x = 46,004,574.37/8,529.12
  6. Step 6: Final answer
    x = 5,393.82

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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.