Home / 8,750.12-12,074.90-4,771.31

Finding the Fourth Proportional to 8,750.12, 12,074.90 and 4,771.31

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Solution

The fourth proportional to 8,750.12, 12,074.90 and 4,771.31 is: 6,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.12 : 12,074.90 = 4,771.31 : x
  2. Step 2: Convert to fraction form
    8,750.12/12,074.90 = 4,771.31/x
  3. Step 3: Cross multiply
    8,750.12x = 12,074.90 × 4,771.31
  4. Step 4: Simplify right side
    8,750.12x = 57,613,133.23
  5. Step 5: Solve for x
    x = 57,613,133.23/8,750.12
  6. Step 6: Final answer
    x = 6,584.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.