Home / 7,509.42-11,257.92-3,130.02

Finding the Fourth Proportional to 7,509.42, 11,257.92 and 3,130.02

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Solution

The fourth proportional to 7,509.42, 11,257.92 and 3,130.02 is: 4,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.42 : 11,257.92 = 3,130.02 : x
  2. Step 2: Convert to fraction form
    7,509.42/11,257.92 = 3,130.02/x
  3. Step 3: Cross multiply
    7,509.42x = 11,257.92 × 3,130.02
  4. Step 4: Simplify right side
    7,509.42x = 35,237,514.76
  5. Step 5: Solve for x
    x = 35,237,514.76/7,509.42
  6. Step 6: Final answer
    x = 4,692.44

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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.