Home / 7,801.08-10,765.48-4,443.89

Finding the Fourth Proportional to 7,801.08, 10,765.48 and 4,443.89

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Solution

The fourth proportional to 7,801.08, 10,765.48 and 4,443.89 is: 6,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.08 : 10,765.48 = 4,443.89 : x
  2. Step 2: Convert to fraction form
    7,801.08/10,765.48 = 4,443.89/x
  3. Step 3: Cross multiply
    7,801.08x = 10,765.48 × 4,443.89
  4. Step 4: Simplify right side
    7,801.08x = 47,840,608.92
  5. Step 5: Solve for x
    x = 47,840,608.92/7,801.08
  6. Step 6: Final answer
    x = 6,132.56

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1.5x scale

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.