Home / 5,582.72-8,374.26-1,687.16

Finding the Fourth Proportional to 5,582.72, 8,374.26 and 1,687.16

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Solution

The fourth proportional to 5,582.72, 8,374.26 and 1,687.16 is: 2,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.72 : 8,374.26 = 1,687.16 : x
  2. Step 2: Convert to fraction form
    5,582.72/8,374.26 = 1,687.16/x
  3. Step 3: Cross multiply
    5,582.72x = 8,374.26 × 1,687.16
  4. Step 4: Simplify right side
    5,582.72x = 14,128,716.50
  5. Step 5: Solve for x
    x = 14,128,716.50/5,582.72
  6. Step 6: Final answer
    x = 2,530.79

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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.