Home / 9,081.53-12,530.92-5,102.81

Finding the Fourth Proportional to 9,081.53, 12,530.92 and 5,102.81

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Solution

The fourth proportional to 9,081.53, 12,530.92 and 5,102.81 is: 7,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.53 : 12,530.92 = 5,102.81 : x
  2. Step 2: Convert to fraction form
    9,081.53/12,530.92 = 5,102.81/x
  3. Step 3: Cross multiply
    9,081.53x = 12,530.92 × 5,102.81
  4. Step 4: Simplify right side
    9,081.53x = 63,942,828.47
  5. Step 5: Solve for x
    x = 63,942,828.47/9,081.53
  6. Step 6: Final answer
    x = 7,040.98

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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.