Home / 7,700.42-11,552.68-2,435.52

Finding the Fourth Proportional to 7,700.42, 11,552.68 and 2,435.52

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Solution

The fourth proportional to 7,700.42, 11,552.68 and 2,435.52 is: 3,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.42 : 11,552.68 = 2,435.52 : x
  2. Step 2: Convert to fraction form
    7,700.42/11,552.68 = 2,435.52/x
  3. Step 3: Cross multiply
    7,700.42x = 11,552.68 × 2,435.52
  4. Step 4: Simplify right side
    7,700.42x = 28,136,829.76
  5. Step 5: Solve for x
    x = 28,136,829.76/7,700.42
  6. Step 6: Final answer
    x = 3,653.94

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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.