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Finding the Fourth Proportional to 5,490.08, 8,235.04 and 1,792.48

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Solution

The fourth proportional to 5,490.08, 8,235.04 and 1,792.48 is: 2,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.08 : 8,235.04 = 1,792.48 : x
  2. Step 2: Convert to fraction form
    5,490.08/8,235.04 = 1,792.48/x
  3. Step 3: Cross multiply
    5,490.08x = 8,235.04 × 1,792.48
  4. Step 4: Simplify right side
    5,490.08x = 14,761,144.50
  5. Step 5: Solve for x
    x = 14,761,144.50/5,490.08
  6. Step 6: Final answer
    x = 2,688.69

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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.