Home / 7,530.78-11,289.88-4,756.66

Finding the Fourth Proportional to 7,530.78, 11,289.88 and 4,756.66

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Solution

The fourth proportional to 7,530.78, 11,289.88 and 4,756.66 is: 7,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.78 : 11,289.88 = 4,756.66 : x
  2. Step 2: Convert to fraction form
    7,530.78/11,289.88 = 4,756.66/x
  3. Step 3: Cross multiply
    7,530.78x = 11,289.88 × 4,756.66
  4. Step 4: Simplify right side
    7,530.78x = 53,702,120.60
  5. Step 5: Solve for x
    x = 53,702,120.60/7,530.78
  6. Step 6: Final answer
    x = 7,131.02

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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.