Home / 7,580.40-11,366.55-3,192.90

Finding the Fourth Proportional to 7,580.40, 11,366.55 and 3,192.90

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Solution

The fourth proportional to 7,580.40, 11,366.55 and 3,192.90 is: 4,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.40 : 11,366.55 = 3,192.90 : x
  2. Step 2: Convert to fraction form
    7,580.40/11,366.55 = 3,192.90/x
  3. Step 3: Cross multiply
    7,580.40x = 11,366.55 × 3,192.90
  4. Step 4: Simplify right side
    7,580.40x = 36,292,257.50
  5. Step 5: Solve for x
    x = 36,292,257.50/7,580.40
  6. Step 6: Final answer
    x = 4,787.64

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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.