Home / 5,184.87-7,775.85-1,722.15

Finding the Fourth Proportional to 5,184.87, 7,775.85 and 1,722.15

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Solution

The fourth proportional to 5,184.87, 7,775.85 and 1,722.15 is: 2,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.87 : 7,775.85 = 1,722.15 : x
  2. Step 2: Convert to fraction form
    5,184.87/7,775.85 = 1,722.15/x
  3. Step 3: Cross multiply
    5,184.87x = 7,775.85 × 1,722.15
  4. Step 4: Simplify right side
    5,184.87x = 13,391,180.08
  5. Step 5: Solve for x
    x = 13,391,180.08/5,184.87
  6. Step 6: Final answer
    x = 2,582.74

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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.