Home / 5,582.94-8,374.32-1,690.08

Finding the Fourth Proportional to 5,582.94, 8,374.32 and 1,690.08

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Solution

The fourth proportional to 5,582.94, 8,374.32 and 1,690.08 is: 2,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.94 : 8,374.32 = 1,690.08 : x
  2. Step 2: Convert to fraction form
    5,582.94/8,374.32 = 1,690.08/x
  3. Step 3: Cross multiply
    5,582.94x = 8,374.32 × 1,690.08
  4. Step 4: Simplify right side
    5,582.94x = 14,153,270.75
  5. Step 5: Solve for x
    x = 14,153,270.75/5,582.94
  6. Step 6: Final answer
    x = 2,535.09

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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.