Home / 6,764.19-10,142.64-2,378.34

Finding the Fourth Proportional to 6,764.19, 10,142.64 and 2,378.34

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Solution

The fourth proportional to 6,764.19, 10,142.64 and 2,378.34 is: 3,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.19 : 10,142.64 = 2,378.34 : x
  2. Step 2: Convert to fraction form
    6,764.19/10,142.64 = 2,378.34/x
  3. Step 3: Cross multiply
    6,764.19x = 10,142.64 × 2,378.34
  4. Step 4: Simplify right side
    6,764.19x = 24,122,646.42
  5. Step 5: Solve for x
    x = 24,122,646.42/6,764.19
  6. Step 6: Final answer
    x = 3,566.23

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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.