Home / 9,359.70-12,910.58-5,580.44

Finding the Fourth Proportional to 9,359.70, 12,910.58 and 5,580.44

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Solution

The fourth proportional to 9,359.70, 12,910.58 and 5,580.44 is: 7,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.70 : 12,910.58 = 5,580.44 : x
  2. Step 2: Convert to fraction form
    9,359.70/12,910.58 = 5,580.44/x
  3. Step 3: Cross multiply
    9,359.70x = 12,910.58 × 5,580.44
  4. Step 4: Simplify right side
    9,359.70x = 72,046,717.06
  5. Step 5: Solve for x
    x = 72,046,717.06/9,359.70
  6. Step 6: Final answer
    x = 7,697.55

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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.