Home / 7,650.72-11,479.86-4,530.60

Finding the Fourth Proportional to 7,650.72, 11,479.86 and 4,530.60

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Solution

The fourth proportional to 7,650.72, 11,479.86 and 4,530.60 is: 6,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.72 : 11,479.86 = 4,530.60 : x
  2. Step 2: Convert to fraction form
    7,650.72/11,479.86 = 4,530.60/x
  3. Step 3: Cross multiply
    7,650.72x = 11,479.86 × 4,530.60
  4. Step 4: Simplify right side
    7,650.72x = 52,010,653.72
  5. Step 5: Solve for x
    x = 52,010,653.72/7,650.72
  6. Step 6: Final answer
    x = 6,798.14

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1.5x scale

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.