Home / 5,184.42-7,764.24-2,840.90

Finding the Fourth Proportional to 5,184.42, 7,764.24 and 2,840.90

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Solution

The fourth proportional to 5,184.42, 7,764.24 and 2,840.90 is: 4,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.42 : 7,764.24 = 2,840.90 : x
  2. Step 2: Convert to fraction form
    5,184.42/7,764.24 = 2,840.90/x
  3. Step 3: Cross multiply
    5,184.42x = 7,764.24 × 2,840.90
  4. Step 4: Simplify right side
    5,184.42x = 22,057,429.42
  5. Step 5: Solve for x
    x = 22,057,429.42/5,184.42
  6. Step 6: Final answer
    x = 4,254.56

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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.