Home / 7,850.54-11,775.51-2,656.42

Finding the Fourth Proportional to 7,850.54, 11,775.51 and 2,656.42

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Solution

The fourth proportional to 7,850.54, 11,775.51 and 2,656.42 is: 3,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.54 : 11,775.51 = 2,656.42 : x
  2. Step 2: Convert to fraction form
    7,850.54/11,775.51 = 2,656.42/x
  3. Step 3: Cross multiply
    7,850.54x = 11,775.51 × 2,656.42
  4. Step 4: Simplify right side
    7,850.54x = 31,280,670.84
  5. Step 5: Solve for x
    x = 31,280,670.84/7,850.54
  6. Step 6: Final answer
    x = 3,984.52

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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.