Home / 5,297.15-7,946.63-2,178.84

Finding the Fourth Proportional to 5,297.15, 7,946.63 and 2,178.84

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Solution

The fourth proportional to 5,297.15, 7,946.63 and 2,178.84 is: 3,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.15 : 7,946.63 = 2,178.84 : x
  2. Step 2: Convert to fraction form
    5,297.15/7,946.63 = 2,178.84/x
  3. Step 3: Cross multiply
    5,297.15x = 7,946.63 × 2,178.84
  4. Step 4: Simplify right side
    5,297.15x = 17,314,435.31
  5. Step 5: Solve for x
    x = 17,314,435.31/5,297.15
  6. Step 6: Final answer
    x = 3,268.63

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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.