Home / 9,282.53-12,811.75-5,507.79

Finding the Fourth Proportional to 9,282.53, 12,811.75 and 5,507.79

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Solution

The fourth proportional to 9,282.53, 12,811.75 and 5,507.79 is: 7,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.53 : 12,811.75 = 5,507.79 : x
  2. Step 2: Convert to fraction form
    9,282.53/12,811.75 = 5,507.79/x
  3. Step 3: Cross multiply
    9,282.53x = 12,811.75 × 5,507.79
  4. Step 4: Simplify right side
    9,282.53x = 70,564,428.53
  5. Step 5: Solve for x
    x = 70,564,428.53/9,282.53
  6. Step 6: Final answer
    x = 7,601.85

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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.