Home / 7,521.21-11,277.68-5,152.02

Finding the Fourth Proportional to 7,521.21, 11,277.68 and 5,152.02

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Solution

The fourth proportional to 7,521.21, 11,277.68 and 5,152.02 is: 7,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.21 : 11,277.68 = 5,152.02 : x
  2. Step 2: Convert to fraction form
    7,521.21/11,277.68 = 5,152.02/x
  3. Step 3: Cross multiply
    7,521.21x = 11,277.68 × 5,152.02
  4. Step 4: Simplify right side
    7,521.21x = 58,102,807.15
  5. Step 5: Solve for x
    x = 58,102,807.15/7,521.21
  6. Step 6: Final answer
    x = 7,725.19

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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.