Home / 6,320.55-9,481.95-2,159.58

Finding the Fourth Proportional to 6,320.55, 9,481.95 and 2,159.58

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Solution

The fourth proportional to 6,320.55, 9,481.95 and 2,159.58 is: 3,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.55 : 9,481.95 = 2,159.58 : x
  2. Step 2: Convert to fraction form
    6,320.55/9,481.95 = 2,159.58/x
  3. Step 3: Cross multiply
    6,320.55x = 9,481.95 × 2,159.58
  4. Step 4: Simplify right side
    6,320.55x = 20,477,029.58
  5. Step 5: Solve for x
    x = 20,477,029.58/6,320.55
  6. Step 6: Final answer
    x = 3,239.75

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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.