Home / 9,321.96-12,860.08-5,542.98

Finding the Fourth Proportional to 9,321.96, 12,860.08 and 5,542.98

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Solution

The fourth proportional to 9,321.96, 12,860.08 and 5,542.98 is: 7,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.96 : 12,860.08 = 5,542.98 : x
  2. Step 2: Convert to fraction form
    9,321.96/12,860.08 = 5,542.98/x
  3. Step 3: Cross multiply
    9,321.96x = 12,860.08 × 5,542.98
  4. Step 4: Simplify right side
    9,321.96x = 71,283,166.24
  5. Step 5: Solve for x
    x = 71,283,166.24/9,321.96
  6. Step 6: Final answer
    x = 7,646.80

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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.