Home / 5,490.77-8,236.60-1,792.91

Finding the Fourth Proportional to 5,490.77, 8,236.60 and 1,792.91

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Solution

The fourth proportional to 5,490.77, 8,236.60 and 1,792.91 is: 2,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.77 : 8,236.60 = 1,792.91 : x
  2. Step 2: Convert to fraction form
    5,490.77/8,236.60 = 1,792.91/x
  3. Step 3: Cross multiply
    5,490.77x = 8,236.60 × 1,792.91
  4. Step 4: Simplify right side
    5,490.77x = 14,767,498.62
  5. Step 5: Solve for x
    x = 14,767,498.62/5,490.77
  6. Step 6: Final answer
    x = 2,689.52

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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.