Home / 9,285.53-12,811.82-5,252.45

Finding the Fourth Proportional to 9,285.53, 12,811.82 and 5,252.45

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Solution

The fourth proportional to 9,285.53, 12,811.82 and 5,252.45 is: 7,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.53 : 12,811.82 = 5,252.45 : x
  2. Step 2: Convert to fraction form
    9,285.53/12,811.82 = 5,252.45/x
  3. Step 3: Cross multiply
    9,285.53x = 12,811.82 × 5,252.45
  4. Step 4: Simplify right side
    9,285.53x = 67,293,353.64
  5. Step 5: Solve for x
    x = 67,293,353.64/9,285.53
  6. Step 6: Final answer
    x = 7,247.12

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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.