Home / 5,612.53-8,418.77-1,664.09

Finding the Fourth Proportional to 5,612.53, 8,418.77 and 1,664.09

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Solution

The fourth proportional to 5,612.53, 8,418.77 and 1,664.09 is: 2,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.53 : 8,418.77 = 1,664.09 : x
  2. Step 2: Convert to fraction form
    5,612.53/8,418.77 = 1,664.09/x
  3. Step 3: Cross multiply
    5,612.53x = 8,418.77 × 1,664.09
  4. Step 4: Simplify right side
    5,612.53x = 14,009,590.97
  5. Step 5: Solve for x
    x = 14,009,590.97/5,612.53
  6. Step 6: Final answer
    x = 2,496.13

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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.