Home / 7,190.61-10,787.48-5,363.55

Finding the Fourth Proportional to 7,190.61, 10,787.48 and 5,363.55

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Solution

The fourth proportional to 7,190.61, 10,787.48 and 5,363.55 is: 8,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.61 : 10,787.48 = 5,363.55 : x
  2. Step 2: Convert to fraction form
    7,190.61/10,787.48 = 5,363.55/x
  3. Step 3: Cross multiply
    7,190.61x = 10,787.48 × 5,363.55
  4. Step 4: Simplify right side
    7,190.61x = 57,859,181.65
  5. Step 5: Solve for x
    x = 57,859,181.65/7,190.61
  6. Step 6: Final answer
    x = 8,046.50

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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.