Home / 9,285.87-12,811.22-5,252.16

Finding the Fourth Proportional to 9,285.87, 12,811.22 and 5,252.16

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Solution

The fourth proportional to 9,285.87, 12,811.22 and 5,252.16 is: 7,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.87 : 12,811.22 = 5,252.16 : x
  2. Step 2: Convert to fraction form
    9,285.87/12,811.22 = 5,252.16/x
  3. Step 3: Cross multiply
    9,285.87x = 12,811.22 × 5,252.16
  4. Step 4: Simplify right side
    9,285.87x = 67,286,486.92
  5. Step 5: Solve for x
    x = 67,286,486.92/9,285.87
  6. Step 6: Final answer
    x = 7,246.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.